This is a compilation of some 3D printed stuff I've designed for fun, to replace broken pieces, or other upgrades.
Glock 17 diffuser
A DSG I printed for my airsoft gun. The PLA simply wasn't strong enough for the torque on those small teeth.
Keltec RDB ejection port cover. Inspired by https://www.thingiverse.com/thing:4001233
Progress of development
The insert on the bottom nicely seals the opening.
Dragon head diffuser
Custom bases and heads for diffusers