Badge Holder Badge Holder from Sean Kennon Badge Holder A custom injection mold fabricated to help teach new users how to operate an injection molding machine. The final part, 3D printed prototype, and the aluminum mold. A new sprue bushing to interface the mold with the injection molder, next to the old design I improved on. gLike Badge Holder A custom injection mold fabricated to help teach new users how to operate an injection molding machine. Engineering Model Making Share R 7 n Sean Kennon MakerSpace Assistant Manager at NYU Tandon School of Engineering New York, NY Follow Contact