check out my new video: https://youtu.be/3CVEroUJidI
This video shows you how i've engraved sounds on the flipside of CD-Blanks with my self build record lathe. CD-Blanks are made out of Polycarbonate. I`ve also tried 7''-Polycarbonate Blanks and pressed Vinyl-Blanks with differnt results. I'm planing to design a new version of this machine. Plans will be released in early 2020. Find more information on my webpage: alexrex.de