General information Each file must contain a single piece Maximum size: 100MB/file

Information about files A 3D file is essential in one of these formats:

.step, .stp, .sldprt, .ipt, .prt, .sat, .catpart, .x_t, .x_b, .3dm, .stl, .obj

PDF Information Additionally, you must attach a 2D blueprint to indicate if there are threads or tolerances in the piece, in format: .pdf