The Etch A Sketch was never supposed to meet a Raspberry Pi, a camera, or a mathematical algorithm, but here we are. [Tekavou]’s Teka-Cam and TekaSketch are a two-part hack that transforms ...

To use the jig, align the cork tile with your mark and hold your utility knife straight up and down and pull the knife across the tile several times until it cuts through. A light touch is best. The ...