What's Inside the Xerox Star Mouse

The inside of the Xerox Star case
The inside of the Xerox 8010 mouse case reveals some chiseling in the plastic on each of the three ribs (enlargement below). This must have been a prototype, or else they made a manufacturing mistake and had to whittle on every mouse they made to allow the black plastic bottom to nestle into the case top. I envision a team of Mexicans crafting a retrofit...

The Inside of the Xerox 8010 Optical Star Mouse

The supporting rib has been whittled.Closeup of one of the whittled supporting ribs.

the Star board>