The file 'Bobbin For 4 String Bass 3D Printer Model' is (stl) file type, size is 284.2KB.
This is a standard sized pickup winding bobbin for a 4 string bass guitar. The slug pockets are 10.5mm in diameter and the screw holes are 3mm in diameter. I haven't printed it yet so I can't comment on the printing process, I modeled it by purchasing one and using a vernier caliper to measure all of the dimensions.
Four_String_Bass_Pickup_Bobbin-Body.stl | 944.1KB |