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I actually modified it in solidworks to have a nice curve, and open at the tips vs trying to thread the floss everytime.
Bacteria? You're brushing your teeth with a reused toothbrush. Besides, that's what immune systems are for.
Different plastics have different properties, like how much moisture they hold. You can clean polypropylene but you'll never clean off PLA
I used petg, better for the engineering stuff that I do.
Feel free to google whether you should be putting petg in your mouth and then giving it time to grow bacteria and then putting it back in your mouth again.
(you may be shocked by the answer)
I don't think anyone is shocked. PETG is probably the best solution here since it can be food grade and transparent to help with disinfection via UV. Would probably be a good idea to limit each one to a month of use or something but it's still better than the wasteful alternative.
Jesus, clickbait language in comments is worrying
Have jokes gone too far? Some lemmy experts are concerned
Ask an expert: Is Arugula a super food?
I understand your point, and still disagree.
If I could injection mold it out of polycarbonate, I would. I'd still rather use this than mindlessly buy 150 plastic prongs, only 5% of each disposed piece being actual floss.
Go for it, but maybe don't tell people it's a good idea without explaining any of the risk
Caveat emptor. We are all masters of our own destinies.