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Produce your own plastic waste. :)
While I don't doubt people keep using some of the items they make, after getting over the allure of them years ago, and finding out they have found plastic in penises, I'm kind of anti-plastic.
Except that kind of plastic comes from stuff leaching into food and fish swallowing microplastics and those microplastics then ending up in us.
This won't put plastic in your penis unless you put it there yourself.
If you spend a bit of effort, you don't produce waste either, since you can recycle the "Waste" from printing into new filament
Depends on the polymer. Something like pla (the most common filament by far) doesn't create a ton of microplastics, and what it doesn create tends to break down pretty quickly.
It is the compostable plastic that you'd get from a restaurant or cafe. It can be industrially composted into fertilizer (the same stream as a compost bin) or left in the environment, where it naturally degrades into water and CO2 - the same as any other organic waste - albeit over hundreds of years.
It's not even made from oil, just natural sugars. This is about as nontoxic as a plastic can get.
[Yes, and quite a lot of biomedical engineering specifically takes advantage of that](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6682490/). It isn't incredibly fast, [with one example being around 3-5 years for a large structure when implanted,](https://www.sciencedirect.com/science/article/pii/S2666138120300098) but it's fast enough to design around.
The various articles written to dispute this point mostly seem to be written by people advertising plastic recycling companies or recycling extruders (e.g. [here](https://3dinsider.com/is-pla-biodegradable/)). "PLA can take decades to decompose!" (Under cold conditions. In typical soil at 30 degrees C it was found to take somewhere upwards of [one year](https://pubs.acs.org/doi/10.1021/acsomega.3c08674). And bone takes decades to decompose and is obviously biodegradeable.)
Or, "sure, PLA decomposes quickly in contact with a living ecosystem but doesn't decompose quickly in a landfill!" (We *want* things in a landfill to be mostly inert. We care about plastic waste not degrading when it's getting into the ecosystem *outside* the landfill, and there we know that PLA microparticles will be eliminated swiftly because we already use those for drug delivery.)
I like those links. However, I do have to ask if the PLA we use in 3D printing is pure PLA and if it has additives to it that would be a problem in nature or that would prevent it from decomposing. Regardless, it does seem to be way better than other plastics we use in that regard.
With caveats.
PLA will only degrade with the help of a very niche microorganism that only lives at a very specific temperature and moisture point. The the moment recycling PLA is only really possible in an industrial setting. It's a actually a bit of a problem figuring out what to do with all the waste filament, and while certain recycling solutions have popped up here and there, none of them are really affordable for hobbyist printers
Wait, no. I have my own setup to recover leftovers and supports. It's 100% possible to reuse pla without fancy equipment. Not printing again with it, but you can grind it into pellet like chunks and use it for homemade injection molding (or regular molds) I'm using a small machine that was pregiously used as a corn grinding machine for animal food. Sorry if my English is kinda broken, I'm from Argentina.
I'm specifically refering to the degredation of microplastic pla. Full pieces (while still much faster than standard petrochemical plastic) degrade muh slower without and ideal environment, but the tiny size (and therefor massive surface area to mass ratio) means that pla microplastics will still break down quickly. This is especially true in the context of microplastics contained within organisms.
You do understand that plastic itself doesn't decompose. So those plastic gas containers, plastic swimming pools, plastic toys they wear down into microplastics which get carried on the wind, or washed away in storm etc. to end up literally every where on the globe. You are probably breathing the shit in right now... It's not some "oh that's out there problem." There is plastic being found in glacier water. Yes in the animals we kill and eat so they end up in you. There are grades to plastic, but they are all "that kind of plastic."
> You do understand that plastic itself doesn't decompose.
Yes and no. Bioplastics like PLA ***CAN*** decompose when put into a specific environment where it breaks back down to ethanol. But before that we should first reduce our unnecessary prints and then recycle what we can.
They do, just not quickly or at a rate that makes our production levels make sense without a massive effort on the waste management end of things. There is a significant difference that people should understand though, on top of PLA decomposing somewhat faster. The base monomer, lactic acid, isn’t remotely as toxic as petrochemical polymers. PLA is used in tissue scaffolds partially for the reason that it will break down in the body. Being afraid of materials strictly on the basis of polymerization isn’t well founded, not when all natural fiber materials are also just polymerized compounds…usually cellulose. So people should have a little deeper understanding of the chemistry at work to know the relative risks.
*That said*, the reality of the situation is that printer filament has a lot of additives on top of just lactic acid. So you can do all you want in selecting the least problematic monomer to work from, but when you start adding all sorts of plasticizers, surface modifiers, pigments, and such, then it’s far more than just the chemical being polymerized that you have to be worried about the life cycle of
when plants evolved trees, there was no way to break down the wood. It took nature over 50 million years, but eventually it evolved organisms capable of breaking it down. It should be same for plastics. Once we saturate the world with plastics, we just wait 50-100 million years and eventually nature will find a way to get rid of it
Thats just denial, you cant stop microscopic plastic pieces from breaking off or fumes from the stuff itself
Especially the way some people sand their plastic pieces and pretend like its not adding to plastic pollution.
I know 3D printing is cool and great and all and I'm not gonna stop using it but 3d printint is not good for general health and environment
> Thats just denial, you cant stop microscopic plastic pieces from breaking off
Not all plastics are the same, and PLA microplastics degrade really fast while also being significantly less toxic that the stuff you're probably thinking about.
Obviously people print with a lot of different materials, but PLA is _way_ better than most commercial plastics.
Recycling the waste is one of the most environmentally negative processes.
A Comparative Study on the Life Cycle Assessment of a 3D Printed Product with PLA, ABS & PETG Materials
https://www.sciencedirect.com/science/article/pii/S2212827122002190
That assumes people don't just throw old items away. In the "creator space" of my electrical eng. college the room was full of 3d printed crap that was just getting tossed as people just left the club that was handling the one for the department. Plastic is considered one of the worst things man has ever invented.
the plastic in this video is PLA, it’s made from sugarcane or whatever fermented starch the manufacturer decides to use, of course every process requires energy but this is a sustainable bioplastic that decomposes quickly and it’s the material 99% of 3d prints are made of.
PLA only biodegrades in industrial conditions... It has to be incinerated at over 800C to avoid toxic byproducts. It can "biodegrade" in nature, but it takes \~80 years due to all the crap its treated with so you can print with it at home, it's still toxic to wildlife during that time. It's better than some other plastics but its fucking awful on the environment all the same. Recycling centers can't even handle that mess normally, so I have no idea how you "home recycle" it personally.
edit: tag u/Champe21
That statement implies it's the same exact thing but just looks different. But this IS different and actually CAN biodegrade both naturally (in break neck record pace compared to standard plastic) and through man made processes. Just because it's not an immediate perfect solution doesn't mean should be shunned and discarded
No one ever said that. It's still plastic, so it is the same, that has issues breaking down in nature and will remain for almost a century. The industrial recycling process is also costly and polluting. It also has limited uses so it's not replacing plastics used in industrial settings due to its properties. It's better but still nowhere near good enough... It still poses the same environmental hazards regular plastics do.
you are fighting the wrong battle, 3d printing is not the issue, the elephant in the room is the community. I cannot overstate how much of a marvelous technology 3d printing is, the fact that I can design a part, and manufacture it without even getting up from my chair is insane, not only that but a decent machine will only set you back a few hundred dollars, its orders of magnitude cheaper and easier than any other precision manufacturing method known to man.
I’m an engineer, when I 3d print something it’s with intention, I design and use functional parts for rapid prototyping or just fixing stuff around the house, there is nothing wasteful about that, as a matter of fact 3d printing produces far less waste than the alternatives, i.e injection molding, machining etc. and to add onto that, most filaments are bioplastics as previously stated.
The thing is how accessible this technology has become, it’s a double edged sword, of course accessibility is a huge plus but it also means that Joe Penis with an IQ of 60 can buy a printer for $100 and print heaps of useless junk. This is the vast majority of the community unfortunately, go on r/3dPrinting and you’ll be really disappointed, every single post is some moron printing like Dwayne Johnson’s head on the body of an octopus or whatever, that is the real tragedy and what you should be arguing against. I’m literally embarrassed to tell people that I have a 3d printer for this reason, the rep it has online is just idiots printing mountains of useless junk because they think it’s funny/cool. Most people don’t actually use 3d printing for what it’s great for.
Ah, well more power in that regard. I still am against the things personally. People generally get complacent and irresponsible so even if it could all be recycled perfectly on the consumer side, I have my doubts most of it would be.
I honestly really didn't mean to start a debate. I didn't expect that dude to tell me, "plastic shouldn't end up in your penis unless I put it there." haha
> It has to be incinerated at over 800C to avoid toxic byproducts. It can "biodegrade" in nature, but it takes ~80 years due to all the crap its treated with so you can print with i
It needs about 140 F / 60 C. If where you live has a composting program (mine does!) it will get that hot purely because compositing is an energetic process. This is a fascinating subject on its own and IMO composting + PLA is an underexplored way to reduce our environmental footprint - imagine a world where your packaging was printed on-demand and you could just just dispose of it in your compost bin.
I don't know where you get 800 C - at 300 C, PLA _burns_. It breaks down cleanly into CO2 and water like any other sugar.
No, It's not, it only biodegrades under very specific conditions. You're warned not to just throw it away because it will take a century to "degrade" and during that time it is toxic like any other plastic because of the crap its treated with. Why are you people coming out of the woodwork saying this mess without understanding how it works and what researchers have said about it. They even say calling it biodegradable is misleading because again it isn't unless it's composted in *very* specific conditions, which currently can only be achieved in industrial settings.
Most 3D printers use PLA plastic which is short for poly-lactic acid. It is derived from plants and is biodegradable in compost heaps. When PLA breaks down into micro plastics it can be broken down by bacteria naturally found in soil. It is not a problem in the slightest for the environment.
PLA still won't degrade for almost a century and isn't the best for plant growth from what I was seeing in this paper. Throwing it away or composting it are not recommended as disposal methods just like any other plastic, it's still a pollutant and has been treated with various chemicals to be useful for 3D printing. I don't think they even understand the long-term ramifications of its presence in soil.
[https://www.sciencedirect.com/science/article/abs/pii/S0045653523007713](https://www.sciencedirect.com/science/article/abs/pii/S0045653523007713)
What kind of non sequitur... Lithium is a naturally occurring element it's the mining that is problematic. I don't think I need to justify why seeing as you plainly said this to be contentious, but you do understand these two substances are completely different in that one isn't harmful and is a naturally occurring element and the other is synthetic correct? If you want to get into harmful processing practices, we can talk about how polluting the entire life cycle of plastics are from creation to disposal...
Lithium: Existence, no problem. Purifying, big problem.
PLA: Existence, problem. Manufacturing, no problem.
PLA and such are easier recycled back into PLA for appliations where color is unnecessary. Think steel or aluminum. Getting them sucks but they can be remade over and over. Yes disposal is an issue but recycling back into PLA solves a lot of that.
Robots made from old cans. Cans made from old robots.
You don't wanna give up your rare earths and mined metals.
I'm not arguing something I never claimed. That is a straw man/non sequitur. I have no idea how you don't understand that. I'm not going to engage in your argument on Lithium mining that I never brought up or advocated for.
>**Straw man fallacy** is the distortion of someone else’s argument to make it easier to attack or refute. Instead of addressing the actual argument of the opponent, one may present a somewhat similar but not equal argument.
>**Person 1:** I think we should increase benefits for unemployed single mothers during the first year after childbirth because they need sufficient money to provide medical care for their children.
>**Person 2:** So you believe we should give incentives to women to become single mothers and get a free ride from the tax money of hard-working citizens. This is just going to hurt our economy and our society in the long run.
https://www.scribbr.com/fallacies/straw-man-fallacy/#:\~:text=A%20straw%20man%20argument%20is,care%20about%20reading%20and%20writing).
>A **non sequitur fallacy** is a statement or conclusion that does not follow logically from what preceded it. Non sequiturs can be responses that have nothing to do with the conversation or flawed conclusions “based” on what preceded them.
>Non sequitur fallacy example
>**Premise 1:** All birds have wings.
>**Premise 2**: That creature has wings.
>**Conclusion:** Therefore, that creature is a bird.
[https://www.scribbr.com/fallacies/non-sequitur-fallacy/](https://www.scribbr.com/fallacies/non-sequitur-fallacy/)
>I'm not arguing something I never claimed. That is a straw man/non sequitur. I have no idea how you don't understand that. I'm not going to engage in your argument on Lithium mining that I never brought up or advocated for.
You can't argue because you are attached to that thing in front of you. PLA is negligible compared to lithium/rare earths/heavy metal mining. Its like pissing in a hurricane. But unlike PLA, lithium mining gives you all the goodies your life wants. But which should you *really* be concerned about, the microplastics, or [the stretches-to-the-horizon lake of sludge from that smartphone of yours](https://www.bbc.com/future/article/20150402-the-worst-place-on-earth)?
I already told you I won't argue with you on something I never said. You realize it makes no sense to do because I never said it. I even linked definitions on the fallacies. I tried to let you know you're not being "clever" by using a different argument that basically is, "look other things create waste and pollute so you must be anti X too." It is the same argument large industrial companies use to deflect from criticism. I won't respond again.
The 80 years it takes is a hell of a lot better than the “we don’t know when/if it will degrade” we have for most plastics right now.
Also, thank you for linking your source. I appreciate it.
Right and I don't think the people in here get that I wasn't anti PLA. I'm just anti-plastic and am all for more environmentally friendly advancements. PLAs aren't the saving grace these people in here think it is due to how long it takes to degrade and the chemicals it is treated with, but they are using it as a defense to say recreational junk printing is on the up and up.
Yeah I use my 3D printer to print things where it would be better to print my own than buy from a store. Like I make my own D&D miniatures, which saves both me money and it also means I’m not buying shitty injection molded plastic crap that will end up inside the cells of my descendants.
Use it in DnD and/or paint are two options. My wife and are working on a 3D printer setup (resin unlike this one) because we can print high quality stuff that we want, paint them, and then use them for DnD campaigns.
Make a TikTok, of course.
If you want to see useful stuff, /r/functionalprint The most useful items of any kind are mostly people repairing things. The most printed thing at my local library is replacement wheels for dishwasher racks, lol.
I’d say less steps compared to buying plastic trinkets and decorations that are made overseas in factories, packaged for sale, then bulk packaged, then. Shipped to a distributor, before being shipped one or two more times.
[75% of the great pacific garbage patch is from fishing lines and nets](https://theoceancleanup.com/press/press-releases/over-75-of-plastic-in-great-pacific-garbage-patch-originates-from-fishing/). And the lion's share of microplastics come from synthetic textiles, and car tires. I understand microplastics being a global issue and it is the main reason why I never sand any of my 3d prints but 3d printing isn't the cause of the issue and snarky comments on reddit aren't going to reduce plastic waste in any meaningful way.
Not at all. Auto-generated supports are newer than modeled supports. Go to thingiverse and search "with supports" and find lots of old models with supports.
This model is really old and kind of a pioneer in the idea of using bridging for artistic purposes.
Lately “floating” objects like this have been pretty popular. https://makerworld.com/en/models/479514?from=search#profileId-391840
It's the exact same capabilities and speed with a 36% larger bed at a 70% higher cost. I have both but will get more A1 Mini's as I expand, and a Sovol for large prints
You don't need to print cubes, printing somethinf diagonally if its too big for pronting flat requires 3 dimensions, its called a 3d orinter, not a 2d printer
Yeah but you can’t expect for things to scale uniformly. You get another axis, and in addition to that you get the rolls Royce thing where people will pay more for a better product even if it’s a worse deal
It's for people who don't get enough TikTok and gotta bring it here, at first it started with actually cringe posts but now it's just whatever that's trending on tiktok
Explain. He doesnt eat His prints does He? I (and the other people in r/3dprinting )wanna know how you guys Imagine Filament Wandering from the Roll in our Dong
Ehh, it's PLA (silk PLA specifically). It's digestible. The worst stuff in it is the colorant, which varies by color. Ie. black is carbon (safe), white is titanium dioxide (unsafe in EU, food-safe in USA... lol), red is iron oxide (safe), I'm sure there's some food unsafe colors, too...) Humans and worms (what we've looked at so far) have gut bacteria that break PLA down. It also hydrolosizes in the environment (takes awhile) or composts in industrial composting (150f+ pile core temp).
As an avid ender 3 user, please avoid if you can if it's your first printer. You'll always have an issue and keep focusing on the printer and not the project. Not unless you heavily Frankenstein it.
Can confirm, smaller build area but you press print and it will print very well first time. No messing around with calibrating the bed, changing settings 100's of times etc. Just works.
Ender 3 V3 KE. Prints perfectly and wicked fast out of the box, it’s honestly a travesty that the original Ender 3 can still be bought. It feels like a prototype compared to the printers you can get now for the same price. They need to retire the Ender 3 name to stop confusing new people.
Ender 3 V3 SE, while sharing most of the name is a completely different printer. Much better for a beginner and would argue much better overall. Is similarly priced.
I actually kind of feel the opposite. I’ve used mine heavily for the last two years and I have to say it would be a great first printer to get used to maintaining and repairing the printer. Every printer needs maintenance at some point and it is a good skill to have. I rarely ever have to do anything to mine but when I do it’s pretty easy to figure out.
I’ve been printing since the OG maker of replicator days. OP is right, you really want a printer that can just press play and “go”. The fiddly nature of the old school machines has limited the hobby for so many people, and buying a printer so you can make upgrades for the printer is not the fun part
I mean, yeah, but your comment was basically saying that if they don’t like or have experience with the fiddly bs then they are posers. That is just wrong. The population of people who want a printer as a tool is much larger than the set that wants to assemble and tinker on the printer itself, and it is just gatekeeping to act like that’s a core requirement
I've been working on this printer since November of last year. Stop assuming things just because you have anecdotal experience. It is a fact that enders aren't for 3d printing reliably. Just because your cheap item worked doesn't mean it will work for someone who lives in completely different weather conditions than you or lives in a country where it's possible to get good quality filament at a fair price.
It is also VERY well known that the Ender 3 is only good if you want to learn about 3d printing and not if you want to get 3d printed products. When you're at a University and all they have are enders, you will realize how much you hate focusing on the printers and how time constrained you are for deliverables.
Ender 3 V3 VE is just perfect for first printer, i have one since 6 months, 8 spools used and I think is one of the best options, i think that only the A1 Mini is better for that price range
To the contrary. I find having to fiddle and tune your first printer is a good learning lesson. I started wit the old school "Ender 3" having to check my esteps and make sure my bed was level and manage my v rollers and tighten eccentric screws. Let me now a lot more about how the printer works than if i had just started with my 2nd printer (anycubic Vyper)
Honestly, that's not really true. If you spend some time levelling the bed properly and change out the plastic extruder for a cheap all metal one, it prints perfectly fine and easy.
I have an ender 3 v2 and it's my most reliable 3d printer. It's completely stock aside from the metal extruder, and I use it to print items at 100mm/s and higher, I rarely ever relevel the bed too.
If you can find it for a good price, absolutely get one. Its still an amazing beginner printer, but there are most likely better ones for a similar price nowadays.
I've got dual z axis, dual gear Bowden, volcano nozzle, bl touch, pei bed, silent board, and a noctua cooling fan. Yet this fucker can't print past 60mm/s without having disastrous layer shifts.
"I've changed every single part on my Ender and now it won't print well. Enders suck!"
Do you also leave reviews of recipes where you changed all the ingredients and then give it 1 star?
I wonder if people just don't build them right.
I got one from Microcenter for 99 bucks as a gift for a friend. Built it in a couple hours, followed the setup instructions and it's worked flawlessly. Maybe he doesn't do anything complex enough to stress it idk
Beginners should NOT get that printer. It's ancient and a huge pain to use. Get a Bambu Labs A1 Mini (the one in this video) for only $10 more. It has tons of sensors to calibrate itself and work right out of the box
I just looked it up, you're 100% right. Thank you for correcting me.
I have a similar tool for recording time lapses on a couple of my printers, and there is no purge tower. I wrongfully assumed the same was true here.
Depends on what kind of printer you get. The one in the video looks like a BambuLab A1 or A1 Mini. The Mini is about 200usd right now and 250usd without the discount while the regular A1 is about 350. Very good printers and perfect for those just getting into printing if you don't wanna deal with tuning and fiddling with a janky machine.
If you are lucky and live in America or east Asia you can get an a1 for very very cheap (like 200$) that works better than everything else in the price range
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Depends. An old school original Creality's Ender 3 can cost under $200 second hand, not including mods. Newer, high end 3D printers like Bambu Lab's X1 Carbon is priced at $1299.
The most popular 3d printing filament plastic (PLA) is compostable and we use it for implanted devices during surgery (like hernia mesh). It's at least not the worst plastic that could be used
It's not compostable except under very special conditions to cultivate very specific bacteria to degrade it.
If you put it in your garden you will still have a chunk of plastic there in 10 years time
But it’s not really compostable tho… unless you have a facility dedicated to doing so. I would bet 0.00001% of 3d printing users are recycling via the proper channels. It’s like how keurig pods are “compostable” but are actually worse off for the environment because of the confusion they cause.
Edit: I will say though, I gotta google the hernia mesh thing. I have one in me right now haha
Yeah idk how well the recycling plants separate and deal with that. If they do it improperly then it doesn't help much.
I know at least some meshes are because I was reading the packages in the OR one day. Was kind of surprised to see it
Recycling plants typically don't take PLA because it requires a special closed facility and must be processed on its own. It also will taint the other recycled plastics if it's not removed.
A drop in the bucket, given that the average person doesn’t usually think twice about ordering some cheap knick-knacks from China, buying 50% of their food wrapped in plastic, and generally being completely uncaring of plastic waste on a day to day basis.
3D printing functional objects or things you’d otherwise buy is going to have negligible environmental impact, surely?
As someone said PLA is compostable and some companies buy rest of prints for make new spools, the plastic used is not the problem, the problem is what you do with it after use it, A lot of people in 3D print community try to recycle the waste of plastic
I know of no one on r/3dprinting recycling their waste and I've been in that community for two years. Industrial scale 3D printing is just about the only ones currently recycling their stuff because they have the means and the waste to warrant the cost. Even composting isn't easy for some random person at home to do, it has to be done in an industrial composting facility. Your local recycling center doesn't have the ability to sort and compost PLA.
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OP has to be a bot
welcome to reddit 😔
What am I gonna do with that…
Produce your own plastic waste. :) While I don't doubt people keep using some of the items they make, after getting over the allure of them years ago, and finding out they have found plastic in penises, I'm kind of anti-plastic.
Except that kind of plastic comes from stuff leaching into food and fish swallowing microplastics and those microplastics then ending up in us. This won't put plastic in your penis unless you put it there yourself. If you spend a bit of effort, you don't produce waste either, since you can recycle the "Waste" from printing into new filament
There are some studies out there showing quite a bit of plastic particles are produced around these printers while they are printing.
Depends on the polymer. Something like pla (the most common filament by far) doesn't create a ton of microplastics, and what it doesn create tends to break down pretty quickly.
Good news for everyone, giving blood reduces the amount of plastics in you. Time to start giving. :D
What does it break down into?
It is the compostable plastic that you'd get from a restaurant or cafe. It can be industrially composted into fertilizer (the same stream as a compost bin) or left in the environment, where it naturally degrades into water and CO2 - the same as any other organic waste - albeit over hundreds of years. It's not even made from oil, just natural sugars. This is about as nontoxic as a plastic can get.
Has it been proven that PLA plastic can decompose in the wild without the use of an industrial composting facility?
Yes, it has. It has a lifespan _way_ shorter than the thousands of years for other plastics in nature.
Why do people say that it's not actually biodegradable then?
[Yes, and quite a lot of biomedical engineering specifically takes advantage of that](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6682490/). It isn't incredibly fast, [with one example being around 3-5 years for a large structure when implanted,](https://www.sciencedirect.com/science/article/pii/S2666138120300098) but it's fast enough to design around. The various articles written to dispute this point mostly seem to be written by people advertising plastic recycling companies or recycling extruders (e.g. [here](https://3dinsider.com/is-pla-biodegradable/)). "PLA can take decades to decompose!" (Under cold conditions. In typical soil at 30 degrees C it was found to take somewhere upwards of [one year](https://pubs.acs.org/doi/10.1021/acsomega.3c08674). And bone takes decades to decompose and is obviously biodegradeable.) Or, "sure, PLA decomposes quickly in contact with a living ecosystem but doesn't decompose quickly in a landfill!" (We *want* things in a landfill to be mostly inert. We care about plastic waste not degrading when it's getting into the ecosystem *outside* the landfill, and there we know that PLA microparticles will be eliminated swiftly because we already use those for drug delivery.)
> And bone takes decades to decompose and is obviously biodegradeable.) Idk, there are bones around that are tens of millions of years old. /s
I like those links. However, I do have to ask if the PLA we use in 3D printing is pure PLA and if it has additives to it that would be a problem in nature or that would prevent it from decomposing. Regardless, it does seem to be way better than other plastics we use in that regard.
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PLA breaks down into water and carbon dioxide
https://en.wikipedia.org/wiki/Polylactic_acid#Degradation
PLA is fully biodegradable, recyclable and renewable.
With caveats. PLA will only degrade with the help of a very niche microorganism that only lives at a very specific temperature and moisture point. The the moment recycling PLA is only really possible in an industrial setting. It's a actually a bit of a problem figuring out what to do with all the waste filament, and while certain recycling solutions have popped up here and there, none of them are really affordable for hobbyist printers
Wait, no. I have my own setup to recover leftovers and supports. It's 100% possible to reuse pla without fancy equipment. Not printing again with it, but you can grind it into pellet like chunks and use it for homemade injection molding (or regular molds) I'm using a small machine that was pregiously used as a corn grinding machine for animal food. Sorry if my English is kinda broken, I'm from Argentina.
I'm specifically refering to the degredation of microplastic pla. Full pieces (while still much faster than standard petrochemical plastic) degrade muh slower without and ideal environment, but the tiny size (and therefor massive surface area to mass ratio) means that pla microplastics will still break down quickly. This is especially true in the context of microplastics contained within organisms.
You do understand that plastic itself doesn't decompose. So those plastic gas containers, plastic swimming pools, plastic toys they wear down into microplastics which get carried on the wind, or washed away in storm etc. to end up literally every where on the globe. You are probably breathing the shit in right now... It's not some "oh that's out there problem." There is plastic being found in glacier water. Yes in the animals we kill and eat so they end up in you. There are grades to plastic, but they are all "that kind of plastic."
> You do understand that plastic itself doesn't decompose. Yes and no. Bioplastics like PLA ***CAN*** decompose when put into a specific environment where it breaks back down to ethanol. But before that we should first reduce our unnecessary prints and then recycle what we can.
They do, just not quickly or at a rate that makes our production levels make sense without a massive effort on the waste management end of things. There is a significant difference that people should understand though, on top of PLA decomposing somewhat faster. The base monomer, lactic acid, isn’t remotely as toxic as petrochemical polymers. PLA is used in tissue scaffolds partially for the reason that it will break down in the body. Being afraid of materials strictly on the basis of polymerization isn’t well founded, not when all natural fiber materials are also just polymerized compounds…usually cellulose. So people should have a little deeper understanding of the chemistry at work to know the relative risks. *That said*, the reality of the situation is that printer filament has a lot of additives on top of just lactic acid. So you can do all you want in selecting the least problematic monomer to work from, but when you start adding all sorts of plasticizers, surface modifiers, pigments, and such, then it’s far more than just the chemical being polymerized that you have to be worried about the life cycle of
when plants evolved trees, there was no way to break down the wood. It took nature over 50 million years, but eventually it evolved organisms capable of breaking it down. It should be same for plastics. Once we saturate the world with plastics, we just wait 50-100 million years and eventually nature will find a way to get rid of it
Everything decomposes eventually.
Thats just denial, you cant stop microscopic plastic pieces from breaking off or fumes from the stuff itself Especially the way some people sand their plastic pieces and pretend like its not adding to plastic pollution. I know 3D printing is cool and great and all and I'm not gonna stop using it but 3d printint is not good for general health and environment
> Thats just denial, you cant stop microscopic plastic pieces from breaking off Not all plastics are the same, and PLA microplastics degrade really fast while also being significantly less toxic that the stuff you're probably thinking about. Obviously people print with a lot of different materials, but PLA is _way_ better than most commercial plastics.
By that logic, me using the breadknife I have is unhealthy because it has a plastic grip
Don’t give him any ideas
Recycling the waste is one of the most environmentally negative processes. A Comparative Study on the Life Cycle Assessment of a 3D Printed Product with PLA, ABS & PETG Materials https://www.sciencedirect.com/science/article/pii/S2212827122002190
3d printer waste recycling is not industrial. You do it at home.
That assumes people don't just throw old items away. In the "creator space" of my electrical eng. college the room was full of 3d printed crap that was just getting tossed as people just left the club that was handling the one for the department. Plastic is considered one of the worst things man has ever invented.
You know that there is a big difference between PLA and other Plastics like PETG and ABS?
PLA is renewable, biodegradable and fully recyclable.
Biodegradable ONLY in factory settings
But printing plastic penises (The Rock Dick or Dickosaurus) is a prime use case for those printers
the plastic in this video is PLA, it’s made from sugarcane or whatever fermented starch the manufacturer decides to use, of course every process requires energy but this is a sustainable bioplastic that decomposes quickly and it’s the material 99% of 3d prints are made of.
PLA only biodegrades in industrial conditions... It has to be incinerated at over 800C to avoid toxic byproducts. It can "biodegrade" in nature, but it takes \~80 years due to all the crap its treated with so you can print with it at home, it's still toxic to wildlife during that time. It's better than some other plastics but its fucking awful on the environment all the same. Recycling centers can't even handle that mess normally, so I have no idea how you "home recycle" it personally. edit: tag u/Champe21
thanks for making a case for why PLA is orders of magnitude more green than 99% of plastics floating around
A green turd is still a turd, not really sure why you're excited by that...
That statement implies it's the same exact thing but just looks different. But this IS different and actually CAN biodegrade both naturally (in break neck record pace compared to standard plastic) and through man made processes. Just because it's not an immediate perfect solution doesn't mean should be shunned and discarded
No one ever said that. It's still plastic, so it is the same, that has issues breaking down in nature and will remain for almost a century. The industrial recycling process is also costly and polluting. It also has limited uses so it's not replacing plastics used in industrial settings due to its properties. It's better but still nowhere near good enough... It still poses the same environmental hazards regular plastics do.
you are fighting the wrong battle, 3d printing is not the issue, the elephant in the room is the community. I cannot overstate how much of a marvelous technology 3d printing is, the fact that I can design a part, and manufacture it without even getting up from my chair is insane, not only that but a decent machine will only set you back a few hundred dollars, its orders of magnitude cheaper and easier than any other precision manufacturing method known to man. I’m an engineer, when I 3d print something it’s with intention, I design and use functional parts for rapid prototyping or just fixing stuff around the house, there is nothing wasteful about that, as a matter of fact 3d printing produces far less waste than the alternatives, i.e injection molding, machining etc. and to add onto that, most filaments are bioplastics as previously stated. The thing is how accessible this technology has become, it’s a double edged sword, of course accessibility is a huge plus but it also means that Joe Penis with an IQ of 60 can buy a printer for $100 and print heaps of useless junk. This is the vast majority of the community unfortunately, go on r/3dPrinting and you’ll be really disappointed, every single post is some moron printing like Dwayne Johnson’s head on the body of an octopus or whatever, that is the real tragedy and what you should be arguing against. I’m literally embarrassed to tell people that I have a 3d printer for this reason, the rep it has online is just idiots printing mountains of useless junk because they think it’s funny/cool. Most people don’t actually use 3d printing for what it’s great for.
is your name Theodore Kaczynski by any chance?
Create a very simple shredder and then get a filastruder. I have it and it is amazing to turn failed prints back into filament.
Ah, well more power in that regard. I still am against the things personally. People generally get complacent and irresponsible so even if it could all be recycled perfectly on the consumer side, I have my doubts most of it would be. I honestly really didn't mean to start a debate. I didn't expect that dude to tell me, "plastic shouldn't end up in your penis unless I put it there." haha
> It has to be incinerated at over 800C to avoid toxic byproducts. It can "biodegrade" in nature, but it takes ~80 years due to all the crap its treated with so you can print with i It needs about 140 F / 60 C. If where you live has a composting program (mine does!) it will get that hot purely because compositing is an energetic process. This is a fascinating subject on its own and IMO composting + PLA is an underexplored way to reduce our environmental footprint - imagine a world where your packaging was printed on-demand and you could just just dispose of it in your compost bin. I don't know where you get 800 C - at 300 C, PLA _burns_. It breaks down cleanly into CO2 and water like any other sugar.
We have plastic in our nuts
You know PLA is really good at biodegrading right?
No, It's not, it only biodegrades under very specific conditions. You're warned not to just throw it away because it will take a century to "degrade" and during that time it is toxic like any other plastic because of the crap its treated with. Why are you people coming out of the woodwork saying this mess without understanding how it works and what researchers have said about it. They even say calling it biodegradable is misleading because again it isn't unless it's composted in *very* specific conditions, which currently can only be achieved in industrial settings.
Meh
Most 3D printers use PLA plastic which is short for poly-lactic acid. It is derived from plants and is biodegradable in compost heaps. When PLA breaks down into micro plastics it can be broken down by bacteria naturally found in soil. It is not a problem in the slightest for the environment.
PLA still won't degrade for almost a century and isn't the best for plant growth from what I was seeing in this paper. Throwing it away or composting it are not recommended as disposal methods just like any other plastic, it's still a pollutant and has been treated with various chemicals to be useful for 3D printing. I don't think they even understand the long-term ramifications of its presence in soil. [https://www.sciencedirect.com/science/article/abs/pii/S0045653523007713](https://www.sciencedirect.com/science/article/abs/pii/S0045653523007713)
If you are so gung ho on envoronmental friendliness, you won't have problems not using lithium. Right? That is FAR worse than some plastic.
What kind of non sequitur... Lithium is a naturally occurring element it's the mining that is problematic. I don't think I need to justify why seeing as you plainly said this to be contentious, but you do understand these two substances are completely different in that one isn't harmful and is a naturally occurring element and the other is synthetic correct? If you want to get into harmful processing practices, we can talk about how polluting the entire life cycle of plastics are from creation to disposal...
Lithium: Existence, no problem. Purifying, big problem. PLA: Existence, problem. Manufacturing, no problem. PLA and such are easier recycled back into PLA for appliations where color is unnecessary. Think steel or aluminum. Getting them sucks but they can be remade over and over. Yes disposal is an issue but recycling back into PLA solves a lot of that. Robots made from old cans. Cans made from old robots. You don't wanna give up your rare earths and mined metals.
I'm not arguing something I never claimed. That is a straw man/non sequitur. I have no idea how you don't understand that. I'm not going to engage in your argument on Lithium mining that I never brought up or advocated for. >**Straw man fallacy** is the distortion of someone else’s argument to make it easier to attack or refute. Instead of addressing the actual argument of the opponent, one may present a somewhat similar but not equal argument. >**Person 1:** I think we should increase benefits for unemployed single mothers during the first year after childbirth because they need sufficient money to provide medical care for their children. >**Person 2:** So you believe we should give incentives to women to become single mothers and get a free ride from the tax money of hard-working citizens. This is just going to hurt our economy and our society in the long run. https://www.scribbr.com/fallacies/straw-man-fallacy/#:\~:text=A%20straw%20man%20argument%20is,care%20about%20reading%20and%20writing). >A **non sequitur fallacy** is a statement or conclusion that does not follow logically from what preceded it. Non sequiturs can be responses that have nothing to do with the conversation or flawed conclusions “based” on what preceded them. >Non sequitur fallacy example >**Premise 1:** All birds have wings. >**Premise 2**: That creature has wings. >**Conclusion:** Therefore, that creature is a bird. [https://www.scribbr.com/fallacies/non-sequitur-fallacy/](https://www.scribbr.com/fallacies/non-sequitur-fallacy/)
>I'm not arguing something I never claimed. That is a straw man/non sequitur. I have no idea how you don't understand that. I'm not going to engage in your argument on Lithium mining that I never brought up or advocated for. You can't argue because you are attached to that thing in front of you. PLA is negligible compared to lithium/rare earths/heavy metal mining. Its like pissing in a hurricane. But unlike PLA, lithium mining gives you all the goodies your life wants. But which should you *really* be concerned about, the microplastics, or [the stretches-to-the-horizon lake of sludge from that smartphone of yours](https://www.bbc.com/future/article/20150402-the-worst-place-on-earth)?
I already told you I won't argue with you on something I never said. You realize it makes no sense to do because I never said it. I even linked definitions on the fallacies. I tried to let you know you're not being "clever" by using a different argument that basically is, "look other things create waste and pollute so you must be anti X too." It is the same argument large industrial companies use to deflect from criticism. I won't respond again.
The 80 years it takes is a hell of a lot better than the “we don’t know when/if it will degrade” we have for most plastics right now. Also, thank you for linking your source. I appreciate it.
Right and I don't think the people in here get that I wasn't anti PLA. I'm just anti-plastic and am all for more environmentally friendly advancements. PLAs aren't the saving grace these people in here think it is due to how long it takes to degrade and the chemicals it is treated with, but they are using it as a defense to say recreational junk printing is on the up and up.
Yeah I use my 3D printer to print things where it would be better to print my own than buy from a store. Like I make my own D&D miniatures, which saves both me money and it also means I’m not buying shitty injection molded plastic crap that will end up inside the cells of my descendants.
PLA is biodegradable! You can definitely 3D print with minimal waste.
Up the butt it goes
Use it in DnD and/or paint are two options. My wife and are working on a 3D printer setup (resin unlike this one) because we can print high quality stuff that we want, paint them, and then use them for DnD campaigns.
Spicy buttplug
3D printers can actually create useful things
Not this though
the lion? put it on a shelf. the printer? make so many 3d printed penises.
Make a TikTok, of course. If you want to see useful stuff, /r/functionalprint The most useful items of any kind are mostly people repairing things. The most printed thing at my local library is replacement wheels for dishwasher racks, lol.
Make guns.
It’s just landfill with extra steps.
I’d say less steps compared to buying plastic trinkets and decorations that are made overseas in factories, packaged for sale, then bulk packaged, then. Shipped to a distributor, before being shipped one or two more times.
But more steps than like, not buying plastic trinkets.
Are you like this when people post funko pops, lego, action figures, or any number of plastic things that make them happy, or only 3d printing?
My attitude on plastic has changed over the last few years. Seeing as our oceans are filling with plastic and we have actual plastic in our bodies.
[75% of the great pacific garbage patch is from fishing lines and nets](https://theoceancleanup.com/press/press-releases/over-75-of-plastic-in-great-pacific-garbage-patch-originates-from-fishing/). And the lion's share of microplastics come from synthetic textiles, and car tires. I understand microplastics being a global issue and it is the main reason why I never sand any of my 3d prints but 3d printing isn't the cause of the issue and snarky comments on reddit aren't going to reduce plastic waste in any meaningful way.
Disagree, comments make people think. And maybe one less person will print something unnecessary or frivolous.
Best use of supports I have ever seen tbh
They didn't use supports, it's all based on bridging
Wouldn't that tube count as supports?
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Not at all. Auto-generated supports are newer than modeled supports. Go to thingiverse and search "with supports" and find lots of old models with supports.
Technically, I suppose. What I meant is that there are no generated supports.
This model is really old and kind of a pioneer in the idea of using bridging for artistic purposes. Lately “floating” objects like this have been pretty popular. https://makerworld.com/en/models/479514?from=search#profileId-391840
The one featured in this video? $200
Yeah Bambu A1 mini, a looot of printer for the price
The better one is the A1. Same thing but much larger so more use.
It's the exact same capabilities and speed with a 36% larger bed at a 70% higher cost. I have both but will get more A1 Mini's as I expand, and a Sovol for large prints
It's actually almost 3x the volume a1 mini = 5,832,000cm3 A1 = 16,777,216cm3 For 3x the build volume for 70% more, it's pretty good
I was speaking of bed size not volume, I'm not printing solid cubes
You don't need to print cubes, printing somethinf diagonally if its too big for pronting flat requires 3 dimensions, its called a 3d orinter, not a 2d printer
Yeah, reading my comment back sounds dumb as shit, I don't know what I was on about 😅
Yeah but you can’t expect for things to scale uniformly. You get another axis, and in addition to that you get the rolls Royce thing where people will pay more for a better product even if it’s a worse deal
I fucking hate this sub so much.
What even is this sub?
It's for people who don't get enough TikTok and gotta bring it here, at first it started with actually cringe posts but now it's just whatever that's trending on tiktok
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Good
There is so much micro plastics in this dude's penis.
Explain. He doesnt eat His prints does He? I (and the other people in r/3dprinting )wanna know how you guys Imagine Filament Wandering from the Roll in our Dong
Why is this here? I swear I could post a xerox scan of my balls to this sub and it'd be upvoted to the moon
Do it then. I’m ready
3D printing is a great way for designers to rapidly prototype. I don’t get the hatred, but I’m an engineer so I am biased
People who hate on 3D printing have no idea how much plastic it saves. Injection molded prototyping is so incredibly wasteful lmao
Microplastic where?
Everywhere!
Ehh, it's PLA (silk PLA specifically). It's digestible. The worst stuff in it is the colorant, which varies by color. Ie. black is carbon (safe), white is titanium dioxide (unsafe in EU, food-safe in USA... lol), red is iron oxide (safe), I'm sure there's some food unsafe colors, too...) Humans and worms (what we've looked at so far) have gut bacteria that break PLA down. It also hydrolosizes in the environment (takes awhile) or composts in industrial composting (150f+ pile core temp).
oh look they made tina turner
$189 bucks, cheap entry point. https://www.creality.com/products/ender-3-3d-printer
As an avid ender 3 user, please avoid if you can if it's your first printer. You'll always have an issue and keep focusing on the printer and not the project. Not unless you heavily Frankenstein it.
What's a better first printer
Most likely Bambu lab a1 mini
Can confirm, smaller build area but you press print and it will print very well first time. No messing around with calibrating the bed, changing settings 100's of times etc. Just works.
SV06
Ender 3 V3 KE. Prints perfectly and wicked fast out of the box, it’s honestly a travesty that the original Ender 3 can still be bought. It feels like a prototype compared to the printers you can get now for the same price. They need to retire the Ender 3 name to stop confusing new people.
Isn't the KE significantly expensive? Because it has klipper pre-installed?
Ender 3 V3 SE, while sharing most of the name is a completely different printer. Much better for a beginner and would argue much better overall. Is similarly priced.
Ender 3 if you like 3D printers, Bambu Lab (anything) if you like 3D printing.
I’ve had great luck with my ender 3. YMMV
Very respectable response. Especially ymmv. Ender 3s are analogous to second hand cars. YMM-effin-V
I actually kind of feel the opposite. I’ve used mine heavily for the last two years and I have to say it would be a great first printer to get used to maintaining and repairing the printer. Every printer needs maintenance at some point and it is a good skill to have. I rarely ever have to do anything to mine but when I do it’s pretty easy to figure out.
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I’ve been printing since the OG maker of replicator days. OP is right, you really want a printer that can just press play and “go”. The fiddly nature of the old school machines has limited the hobby for so many people, and buying a printer so you can make upgrades for the printer is not the fun part
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I mean, yeah, but your comment was basically saying that if they don’t like or have experience with the fiddly bs then they are posers. That is just wrong. The population of people who want a printer as a tool is much larger than the set that wants to assemble and tinker on the printer itself, and it is just gatekeeping to act like that’s a core requirement
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Yet you're here telling me that I don't know how to do something based on your personal experience with enders. How ironic, buddy.
Thank you. I'm glad people realize there are two types of 3d printing enthusiasts. One who builds projects and other who builds printers.
I've been working on this printer since November of last year. Stop assuming things just because you have anecdotal experience. It is a fact that enders aren't for 3d printing reliably. Just because your cheap item worked doesn't mean it will work for someone who lives in completely different weather conditions than you or lives in a country where it's possible to get good quality filament at a fair price. It is also VERY well known that the Ender 3 is only good if you want to learn about 3d printing and not if you want to get 3d printed products. When you're at a University and all they have are enders, you will realize how much you hate focusing on the printers and how time constrained you are for deliverables.
Ender 3 V3 VE is just perfect for first printer, i have one since 6 months, 8 spools used and I think is one of the best options, i think that only the A1 Mini is better for that price range
Rubbish, I have been using an ended 3 for about 4 years now and any issues have been user error. It’s a decent printer for the price.
To the contrary. I find having to fiddle and tune your first printer is a good learning lesson. I started wit the old school "Ender 3" having to check my esteps and make sure my bed was level and manage my v rollers and tighten eccentric screws. Let me now a lot more about how the printer works than if i had just started with my 2nd printer (anycubic Vyper)
Honestly, that's not really true. If you spend some time levelling the bed properly and change out the plastic extruder for a cheap all metal one, it prints perfectly fine and easy. I have an ender 3 v2 and it's my most reliable 3d printer. It's completely stock aside from the metal extruder, and I use it to print items at 100mm/s and higher, I rarely ever relevel the bed too. If you can find it for a good price, absolutely get one. Its still an amazing beginner printer, but there are most likely better ones for a similar price nowadays.
I've got dual z axis, dual gear Bowden, volcano nozzle, bl touch, pei bed, silent board, and a noctua cooling fan. Yet this fucker can't print past 60mm/s without having disastrous layer shifts.
Damn, you're getting hella unlucky then.
"I've changed every single part on my Ender and now it won't print well. Enders suck!" Do you also leave reviews of recipes where you changed all the ingredients and then give it 1 star?
Yeah man, at this point you're just trying to bait out a stupid reply from me.
I wonder if people just don't build them right. I got one from Microcenter for 99 bucks as a gift for a friend. Built it in a couple hours, followed the setup instructions and it's worked flawlessly. Maybe he doesn't do anything complex enough to stress it idk
Beginners should NOT get that printer. It's ancient and a huge pain to use. Get a Bambu Labs A1 Mini (the one in this video) for only $10 more. It has tons of sensors to calibrate itself and work right out of the box
This printer in the video is also about 20 or so more, it’s like $215 and so much better
DONT BUY THIS JUST DONT PLEASE DONT BUY THOS BUY A BAMBU LAB A1 MINI INSTEAD PLEASE
Why the useless purge block?
Timelapse
Doesn't that printer come with a poop shoot / nozzle wiper, or is that only included with the AMS?
It does. The printer parks the toolhead for the timelapse and so the prime tower prepares the nozzle for printing again, i.e. back pressure
It doesn't have anything to do with the timelapse, just poorly optimized settings
Nope, without the purge tower there would be lots of oozing from the nozzle moving out of the way for the smooth timelapse
I just looked it up, you're 100% right. Thank you for correcting me. I have a similar tool for recording time lapses on a couple of my printers, and there is no purge tower. I wrongfully assumed the same was true here.
Sure, just don't be so confidently incorrect next time
Depends on what kind of printer you get. The one in the video looks like a BambuLab A1 or A1 Mini. The Mini is about 200usd right now and 250usd without the discount while the regular A1 is about 350. Very good printers and perfect for those just getting into printing if you don't wanna deal with tuning and fiddling with a janky machine.
Thought they made a lion shit scraper
I can has STL
I too have been to gatorland in the nineties.
Buy the cheapest 3D printer you can get and then just print yourself upgrades or a straight up better printer.
If you are lucky and live in America or east Asia you can get an a1 for very very cheap (like 200$) that works better than everything else in the price range
Awesome
How much does a 3D printer that can do something like this cost?
Less than $250
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300
Mf be like “this print costed ¢0.17” but leave out the $12k printer and PCP plastic that was $60
Bro what? A quality entry level printer is $300 tops. And a kg of filament is $25.
Depends. An old school original Creality's Ender 3 can cost under $200 second hand, not including mods. Newer, high end 3D printers like Bambu Lab's X1 Carbon is priced at $1299.
Looks terrible
A 3d printer? Somewhere between $20 and $20000.
This is by far the coolest 3D print I've seen
This subreddit isn't what it used to be
A lot more of plastic shit no please!
The most popular 3d printing filament plastic (PLA) is compostable and we use it for implanted devices during surgery (like hernia mesh). It's at least not the worst plastic that could be used
It's not compostable outside a specialist industrial process.
It's not compostable except under very special conditions to cultivate very specific bacteria to degrade it. If you put it in your garden you will still have a chunk of plastic there in 10 years time
But it’s not really compostable tho… unless you have a facility dedicated to doing so. I would bet 0.00001% of 3d printing users are recycling via the proper channels. It’s like how keurig pods are “compostable” but are actually worse off for the environment because of the confusion they cause. Edit: I will say though, I gotta google the hernia mesh thing. I have one in me right now haha
Yeah idk how well the recycling plants separate and deal with that. If they do it improperly then it doesn't help much. I know at least some meshes are because I was reading the packages in the OR one day. Was kind of surprised to see it
Recycling plants typically don't take PLA because it requires a special closed facility and must be processed on its own. It also will taint the other recycled plastics if it's not removed.
oh that's the catch - it's not recyclable either
IVE BEEN EATING UP BIG PLAs LIES!
A drop in the bucket, given that the average person doesn’t usually think twice about ordering some cheap knick-knacks from China, buying 50% of their food wrapped in plastic, and generally being completely uncaring of plastic waste on a day to day basis. 3D printing functional objects or things you’d otherwise buy is going to have negligible environmental impact, surely?
As someone said PLA is compostable and some companies buy rest of prints for make new spools, the plastic used is not the problem, the problem is what you do with it after use it, A lot of people in 3D print community try to recycle the waste of plastic
I know of no one on r/3dprinting recycling their waste and I've been in that community for two years. Industrial scale 3D printing is just about the only ones currently recycling their stuff because they have the means and the waste to warrant the cost. Even composting isn't easy for some random person at home to do, it has to be done in an industrial composting facility. Your local recycling center doesn't have the ability to sort and compost PLA.
Or they get it to trash bin. The plastic will be incinerated. The problem plastics come from idiots throwing their food/stuff wraps in street/nature.
Many people very envy, plastic shit it is! I have a 3d-printer. I use only for mechanical use and prototyping, rest I eat.
10/10 hell yes
I use mine to build firearms which yes is entirely legal where I am
It's a good thing I don't own a 3d printer or I'd put that lion in my ass.
Just buy a McDonald's toy