Do you....drive a car? Rubber rubbing off from your tires onto the road is one of the main contribution (2nd highest) to ocean micro plastics as your tires are filled with them suspended in the tire...
this post was submitted on 19 Aug 2025
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Insert scroll of truth meme here.
Tires are the 2nd largest contributor to microplastics in the ocean. Synthetic fabric like nylon, polyester, etc. are the main contribution.
And the majority of that is fishing nets. I’ll keep my printer thank you.
Aw man there goes my all polyester 70's wardrobe!
That wardrobe will live on forever in our hearts and minds… in the form of microplastics.
tbf what matters here more is microplastic production per capita rather than overall production
That is what's referred to as 'a distinction without a difference'.
what's your opinion on private jets?
Nobody should have a private jet
How is that relevant to the topic of microplastics? Outside of tires, which again — see my first point.
Which is much lower for 3d printers, than it is for cars :3
yeah probably, im not debating that (open source 3d printing is one of the best innovations in recent years fight me)
Tires are made of rubber though.
Rubber, including natural rubber, is a hydrocarbon polymer and should probably count as a plastic in any useful definition of the word for this context. Normally natural rubber is biodegradable, of course, but we vulcanise it for usage in tyres, and that makes it much less so. As such, tyres are a huge source of either microplastic pollution or, if you want to call it something else, functionally-identical microrubber pollution
This isn't someone who is ignorant, they're just a troll don't strain yourself
In my defence they had not posted the replies to others when I had started typing
That's fine, just getting ahead of it so you're informed
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(2 replies)
Functionally-identical microrubber pollution doesn't quite have the ring that microplastics does.
Tires have suspended micro plastics in the rubber, and small particles of rubber are still under the 'micro plastics' umbrella as a synthetic plastic polymer, glad you have such an understanding
Shouldn't those be micro rubbers and I'm not talking about my condoms.
The main definition of rubber is only differentiated by it's elastic makeup, I understand you're working with a 5th grade reading level but, homie... they're classified as micro plastics as much as you want to ...do whatever this is
Even if you personally decide 'auhh my micro rubbers' a tire isn't a solid block of rubber, it has structural enforcement that is plastic, and both of these polymers, when under 5mm, is micro plastic by definition
PLA is basically plant starch. most 3d printing is done with PLA
made from doesn't mean same properties (e.g. biodegradability)
It's biodegradable in an industrial composter, and degrades in sunlight. Sure it's not perfect, but compared to everything else its impact is minimal.
PLA doesn't not hold up to the elements. sunlight breaks it down
it turns to floppy noodle in summer heat
do you even know anything about PLA?
sorry for spez site but here you go
I use PLA all the time and I get that it degrades in sunlight, but every fucking plastic does. Degradation isn't decomposition and you can still enjoy 3D printing while understanding that it's not 100% environment friendly
PLA is made from corn, sugarcane and other plants. Don't get it twisted.
Do you rather have me buying a complete new device than printiner a spare part with PLA (not derived from oil)?
You see, injection molding in a factory and shipping it is far superior to printing it at home.
What do you think the net pollution of Luigi's alleged Glock and suppressor print is, all things considered?
I'm not sure of the numbers, but it was a net positive for the public's health even if the difference is fairly small.
Any 3D printed gun is carbon negative if used to take out virtually any human. People do not live sustainable lives.
yes my 3d printer is the problem, not factories or corporations.
.
The AI needs all your electricity now. Please only use the bare minimum electricity so the giant corporations can get their profits.
Also, the most common 3D printing filament is made of the bioplastic polylactic acid, which is typically derived from corn. Whether that is strictly "better" from an environmental perspective is a fair question.
The only thing that matters is if it’s biodegradable. If the plastic won’t break down naturally, it doesn’t matter if it’s made from starch or crude oil.
Polylactic acid is a low weight semi-crystalline bioplastic used in agriculture, medicine, packaging and textile. Polylactic acid is one of the most widely used biopolymers, accounting for 33% of all bioplastics produced in 2021. Although biodegradable in vivo, polylactic acid is not completely degradable under natural environmental conditions, notably under aquatic conditions. Polylactic acid disintegrates into microplastics faster than petroleum-based plastics and may pose severe threats to the exposed biota.
https://link.springer.com/article/10.1007/s10311-023-01564-8
The plastic filament I use can be near infinitely recycled and is also biodegradable, while being made from plant resin and not hydrocarbons. This shit will break down before it even gets a chance to be used if not stored properly.
The fashion industry and the automotive industry are far and away the largest contributors to global microplastics. I'm not even sure if 3d printing people crack the top 100.
The majority of the 3d printed slop people see around is printed in PLA because it's the cheapest and easiest to print typically. PLA will completely degrade in a few months in the correct conditions. At worst it will still break down after a few hundred years.
The more expensive and chemically complex filaments are a different story. The good news is that most people only print "useful" things with those more expensive materials. I have never seen anyone printing a Pikachu toothpaste poop dispenser out of carbon fiber reinforced nylon filament.
Of all the things to be worried about in terms of micro plastics 3d printing really shouldn't bother you. There are many MANY much larger fish to fry in that department first.
Look, you see the world around you? You think it’s worth saving? We had a good run, time to burn it down
Think of the animals that preceded us. Humans are so self-absorbed.
I’m hope you held a pinky up as you typed that so you could get the full “I’m better than everyone else” experience
Nope, I fed my pinkies to the starving kittens at the end of the street.