This is the Commodore C64 connector plate recreated by me. I have many C64 computers (breadbox type) with holes for switches or buttons. They do not look very good and I wanted to restore them to their almost original look. It is also possible to add holes for SD2IEC, switches or LED's.
Ooops, just saw a problem in this thing. Please redownload.

Created with FreeCAD. Printed with Velleman K8200 (equiped with 0.35 mm nozzle). It must be rotated on X or Y axis by 180° in Repetier Host.