Sure, why not turn a painting into a haptic puzzle? Picture a thick canvas with embossed brushstrokes, each ridge a tiny gear that clicks when pressed. We could wire it with a piezo that chirps like a tiny metronome whenever a finger nudges a groove. That way you feel the art and hear its pulse—exactly the tactile feedback we crave. Ready to tweak the gear ratios?

That’s the kind of tinkering that makes my wrist ache in a good way. Doubling the gear speed on the fine ridges will keep the clicks crisp, but we’ll need to balance the torque so the touch still feels light, not like a miniature hammer. The bell at the end of each row is perfect for the “ding” cadence, just make sure the vibration doesn’t bleed into the next groove; maybe isolate the bell with a small damping foam. I’ll start drafting the gear train layout—watch me keep every tooth perfectly aligned.