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Choosing the Right Plastic

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Revision as of 01:57, 3 January 2026 by Theshittinator (talk | contribs) (Created page with "{{Stub}} When 3D-printing a firearm, picking out the right plastic is important. Not all plastics are created equal, and some may fail in a way that could harm the user if used in the wrong application. This guide will go over some considerations and commonly-used types of plastics that tend to meet the needs of firearm design. == Considerations == TODO: Document why one might want to use certain plastics TODO: Document how GF/CF additives add rigidity, sometimes tem...")
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When 3D-printing a firearm, picking out the right plastic is important. Not all plastics are created equal, and some may fail in a way that could harm the user if used in the wrong application.

This guide will go over some considerations and commonly-used types of plastics that tend to meet the needs of firearm design.

Considerations

TODO: Document why one might want to use certain plastics

TODO: Document how GF/CF additives add rigidity, sometimes temp resist, and aid in crystallinity, but aren't a universal good

Common Plastics

PLA+

TODO: PLA+ gud

Nylons

TODO: Nylon gud, has drying considerations

Plastics to Avoid

PETG

TODO: PETG Shatters and it's a bad time

PLA

Not to be confused with PLA+, base PLA is incredibly rigid and tends to break more than yield.

Blends of PLA that do not contain PLA+ additives, such as PLA-CF and Silk PLA, should also be avoided

Recycled Filaments

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