BRASS OPTICAL ENCODER BY CM LASER SERVICE - www.cmlaserservice.com/index.html
Customized version of http://www.thingiverse.com/thing:1679204 Created with Customizer! http://www.thingiverse.com/apps/custo… | Logitech g27, Logitech, 3d printing
Logitech G25/G27 Optical Encoders by S2KTS - Thingiverse