The future meets the past with this sweet OpenSCAD project
This is a cool project: Instructables user fred27 reverse-engineered the encoding pattern for an old Fisher Price toy record player and developed a method for 3D printing or CNC cutting new records. He’s also written software that allows you to convert your own tunes to play on the forty-year-old toy. This is an excellent demonstration of parametric modeling using the free OpenSCAD software. Brilliant!