I wanted to change the “Start” text on a few different coloured buttons that I had for my Virtual Pinball cabinet build, and recently got access to a vinyl cutter, so I figured I'd print out a replacement cap for the buttons so I could change the text. 

These caps are sized for Stern/Williams/Bally start buttons. Should work with the following part numbers:

Stern:

• 500-6388-44

Bally/Williams:

• 20-9663
• 20-9663-1
• 20-9663-16

Fusion file included in case you want to try printing text with a multi-color machine. 

Examples printed using white PETG, with black vinyl for the lettering.