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Much more complicated model for this newbie: a drum trigger clip. It's for an #electronics project - sound-reactive RGB LED strips for my #SambaReggae band. This holds a piezo sensor against the drum head; an #arduino clone will read that and decide what lights to flash for how long. I'm #3DPrinting the first attempt now.

The hardest part? The hole for the piezo's wire, which goes through the arm at an angle not perpendicular to any edge.