Needed something to help stabilize the airbrush in my hand, fits Badger 105, Nasedal airbrush & Fengda FE-183K
AB Handle 2 Should fit any body that is about 10.5mm to 11mm and and air intake of 8.5mm to 9mm
AB Handle 4 Should fit any body that is about 11.5mm to 12mm and and air intake of 9.5mm to 10mm
Found best way to print was with the handle pointing up.
The author hasn't provided the model origin yet.