Thingiverse
MakerWorld
MyMiniFactory
Printables
Thangs
Cults
CGTrader
Youmagine
Gambody
Etsy
3D Printable Models
Fidget Spinner - Technical Design
MakerWorld
J_T_3_D
M4 dual mag coupler / adaptor - remixed
MakerWorld
J_T_3_D