Activity for Mark
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Comment | Post #278684 |
Unsuitable, but not for the reason you were concerned about.
As far as I know, long-lasting printed firearms use steel for the barrel, which is the highest-stress part of the gun. PLA is quite strong (stronger than PETG), so as long as you can avoid stress concentrations or continuous loads, it's... (more) |
— | over 3 years ago |
| Edit | Post #278684 | Initial revision | — | over 3 years ago |
| Answer | — |
A: Is PLA suitable for outdoor gear use in the sun? The glass transition temperature of PLA is around 60 C/140 F. It's unlikely to warp from direct sunlight alone, but PLA has two other characteristics that make it unsuitable for printing gear: 1. PLA is brittle. Where something printed from PETG or ABS would flex and absorb a blow, PLA will crac... (more) |
— | over 3 years ago |