Comment on Want some advice on which filaments to use
Shadow@lemmy.ca 3 weeks ago
Pla would be fine but petg is my default these days. Petg is a bit more strong and less brittle, which will help at lower temps.
Strength is just as much about design as it is about the filament choice.
After reading all of the comments and doing some research on the side it definitely looks like PETG is a great all rounder for functional prints. Guess I’m going to need a filament dryer.
PETG, ABS, ASA and TPU seem like the most common functional print materials, of course each has it’s own strength. If I end up doing ABS one day I’m doing to have to figure out a good ventilation solution lol.
Get Rapid PETG. Regular PETG. I’ve printed a few rolls of regular PETG, and it can be a source of frustration. Same with PLA. Get a PLA +.
You don’t need a dryer to start. I printed for many years and only recently bought a dryer. It definitely helps with older filament, but you don’t need it to get started.
I live in a dry climate, and thought drying PETG was unnecessary. After a lot of frustration, I made a (very good) redneck dryer, and my printing life became much better. PETG really likes water, and printing humid PETG is a source of major frustration.
How difficult is petg to print?
I started with it I think it’s easy but I have seen horror stories about petg with glass beds for petg I would recommend g10 I ordered mine from germany because at the time the only g10 in lithuania was too small. And I got a biscuit with the g10 :D
Not at all.
idunnololz@lemmy.world 3 weeks ago
I’ve read that PLA will sag over time pretty much no matter what you do. I assume it would be terrible for the first use case. I assume you can’t design around it but I’m happy to be proven wrong.
Shadow@lemmy.ca 3 weeks ago
It’ll only sag if it heats up and starts to deform, like if you leave it in the sun. It’d probably be just fine under a conpressive load like that.
This is a fantastic doc blog.rahix.de/design-for-3d-printing/
idunnololz@lemmy.world 3 weeks ago
Do you know what temperature range that is? Is 35 to 30C fine?
Shadow@lemmy.ca 3 weeks ago
Yeah. “glass transition temperature” is the term to look up