In this project, we’re resin casting keycaps for Mechanical Keyboards like the Adafruit MacroPad!

Resin casting keycaps is a really fun way to level up your keyboard making skills.

We experiment with adding colored pigments, glitter, even some components like resistors and googly eyes.


You can make your own set of keycaps with these silicone molds and UV-curable resin.

To keep it simple, all you really need is the keycap molds, some UV resin and a UV lamp for curing.

We designed and 3D printed our own mini UV lamp a while back which is just the right size for these silicone molds.

Check out the files and tutorial to make your own UV Lamp below.




Top view of Ctrl keycap mold pieces.
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This guide was first published on Aug 10, 2021. It was last updated on Aug 10, 2021.

This page (Overview) was last updated on Aug 09, 2021.

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