Questions tagged [material]

For questions about materials in general. For filament related questions, please use print-material tag

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22
votes
4answers
1k views

Which are the food-safe materials and how do I recognize them?

What materials which are commonly used in 3D printing, are food-safe? Are there any certifications/grading process for such materials, which can help me with my cross-checking and selection? I have ...
14
votes
5answers
9k views

3d printing for outdoor use: what types of filament are most weather resistant?

I'd like to print modifications for my birdfeeder, both to patch over the hail damage from last summer and to try to deter the neighborhood squirrels. I have an FDM printer (and experience with nylon,...
22
votes
5answers
35k views

Which is more durable to sunlight/weather - PLA, ABS or PETG

The backstory: I'm installing a pigeon net in my home. Because of the shape of the opening I'm installing the net in and the material on the sides it's difficult to anchor the net using the normal ...
19
votes
4answers
6k views

Would 3d-printed objects outgas in vacuum?

I want to fabricate a sample holder and shadow masks to use in vacuum chambers. The type of printing material is not important to me PLA/ABS/PC-ABS/nylon). I'm worried that 3d printed objects (FDM) ...
12
votes
2answers
697 views

Reducing amount of material

Just started doing some design. First project was a replacement handle for my angle grinder, so basically a hollow cylinder. I want to reduce the amount of material used in the print. I could sit here ...
8
votes
4answers
2k views

Is it possible to make a hermetic sealed 3D Printed case?

I am wondering if making an hermetic box is feasible using 3D printer. The box would be a cube with a front face removable, with screw and sealing joint to close it. I searched for different materials,...
5
votes
2answers
389 views

How can I print gears using very high resolution material like nylon

I'm trying to gear down a servo even further. I notice that the majority of the gears are made of nylon, and I want to create new gears that come close to the resolution and strength of the existing ...
4
votes
2answers
487 views

How to print TPU material with 3D printer

Is there anything special for printing TPU material e.g extruder or temperature? It's my first time printing TPU material, so if you have any photos, it would be great if you can share them.