Functional Wooden Record...

The fidelity is not particularly strong, but the t...  ...ooden record are clearly identifiable. She used a laser cutter to do it:These records were cut on an Epil...  ...cut and some tricks I used to avoid crashing the laser cutter dropped the actual precision down by ~1/6)...

http://www.neatorama.com/2013/05/07/Functional-Wooden-Record/