Why rails-down at 40° is the strongest way to 3D print a firearm frame.
FMDA stippled Glock 17 V2 frame, full-size 9mm.
FMDA stippled Glock 19 V2 frame, compact 9mm.
FMDA stippled Glock 26 V2 frame, subcompact 9mm.
3D-printable Glock magazines in multiple capacities: 10, 15, 17, 25, and 30 round.
A simple 3D printed scraper card for anything.