Art is, of course, always going to be subjective, and that certainly extends to kinetic art pieces and electronics sculptures. Tastes are going to vary from person to person. But, I think we can all agree that YouTuber Unexpected Maker’s Laser Stem RGB Matrix is strikingly beautiful.

This desktop electronics sculpture is comprised of an array of 4 clear, square acrylic rods protruding from a black base. Underneath those rods is an 8×8 matrix of individually-addressable, NeoPixel-style, LEDs. Those LEDs light up in various patterns that diffuse through the rods, creating a transfixing 3D rainbow effect. The patterns and colors can also be changed to produce a range of different effects.

Unexpected Maker selected a Wemos D1 Mini to run the show, giving him the ability to change light patterns over . The acrylic rods and top plates of the base are cut, and the bottom of the base was designed in Autodesk Fusion 360 and then 3D-printed. It may be a relatively simple build, but this Laser Stem RGB Matrix project was executed brilliantly.

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