Originally posted by u/Ok-Blood8662 at 2025-06-30T21:50:55Z
Was hoping I got good enough layer adhesion here, and I may have, but cracks formed at the pin holes.
Fortunately did not have this happen while firing. I noticed the cracks when inspecting the gun at my desk, flexed it, and it completely snapped.
Figured I would share as an example to others. Filament choice is super important in 3D2A. Be careful.

Source: https://i.redd.it/cm8nb5w9y4af1.jpeg

Source: https://b.thumbs.redditmedia.com/Hvop_ukpbveaGUcW1rK6eqQQ2dwiHHpLgQBXvciEnEw.jpg


u/Ok-Blood8662 · 2025-06-30 23:02:44 UTC · score 1
Im aware of the viable options. Ive seen success stories with Asa. Wasn’t equipped for nylon yet so asa was the next best thing in my mind for heat resistance.
u/Somebodysomeone_926 · 2025-06-30 23:08:51 UTC · score 3
Do what you want but personally I wouldn’t fire one by hand. Tape it to a tree and pull a string