Our friends Lenore and Windell created an attachment to engrave glass, stone, and ceramic with an Eggbot.
The engraving tip itself is a small single-point industrial diamond, mounted on a thin steel shaft, in a fixture that holds it where the pen would normally be. That fixture consists of a 3/8-16 nylon thumb screw, drilled out to fit the steel shaft, and a matching 3/8-16 hex nut that locks it in place.
2 thoughts on “Diamond Engraving Tool for Eggbot”
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Hmmm… I wonder if a similar attachment could be used on a pen plotter to engrave circuit boards?