Diamond Engraving Tool for Eggbot

Turn your Eggbot into a CNC diamond engraving tool.

Available as a soldering kit, or fully assembled and tested.

In Stock
Kit version:

Engraved glass ornament

The Diamond Engraving Tool for Eggbot turns your Eggbot into a vibrated-tip diamond-point engraving tool, capable of light-duty marking and engraving on hard materials like glass, stone, and ceramic.

The kit includes the diamond-point tool, an extra upper pen arm assembly that features an stiffer-grade hinge, high-speed vibrating motor, a driver board for the motor, and a cable that allows it all to be directly powered and controlled by the Eggbot's EiBotBoard (EBB).

Photo: engraving directly into the surface of a clear glass ornament

Engraved marble sphere

The Engraving Tool works with any current-generation ("white chassis") Eggbot kit. (It is also compatible with the Ostrich Eggbot, but requires the addition of an M-F servo extension cable, sold separately.)

To install the Engraving Tool, you will need the same basic tools normally required by the Eggbot: a miniature phillips-head screwdriver (for adjusting motor current) and the 5/64" ball-end hex wrench that came with your Eggbot kit.

The Precision Egg Coupler accessory is strongly recommended (but not required) for use with the engraver.

Photo: engraving directly into the surface of a stone (white marble) sphere. Click for larger image.

Etching the surface finish off of an ornament

It is worth noting that the Engraving Tool is considerably louder in operation than the Eggbot itself, particularly when engraving brittle materials. You should also be aware that the engraver contains sharp parts (the diamond, in particular!) and that there is always risk of shattering when you engrave glass. Take care to exercise proper safety precautions.

Photo by Eggbot user Dan Newman, showing the result of etching the outer paint layer off of an ornament.

Light through an etched

Detailed usage instructions for the Diamond Engraving Tool (as well as assembly instructions, for the kit version) are now available on the Evil Mad Scientist Wiki.

Photo: By etching the paint off of surfaces you can create interesting masks for light-- tiny and exotic lampshades.

About the soldering kit version

The Diamond Engraving Tool is available fully assembled-- ready to add to your Eggbot --or as a soldering kit [?].

For the soldering kit, basic electronic soldering skill is required, and you provide basic soldering tools: a soldering iron + solder and small wire clippers. You will also need fine-point pliers and a miniature flathead screwdriver. No additional knowledge of electronics is presumed or required. Easy "through-hole" construction and clear, photo-heavy online instructions. Assembly time is estimated to be under 30 minutes.

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