DIY Arduino based CNC laser engraver from DVD drive - YouTube
A DIY laser engraver build using DVD and CD-ROM/writer – Dangerous Prototypes
soldering - Arduino Laser Engraver cd drive - what do i connect where? - Electrical Engineering Stack Exchange
diy laser engraver from cd-rom cnc by Danissimo - Thingiverse
16-Year-Old Creates a Working Laser Engraver From 2 DVD Drives & 3D Printed Parts for $30 - 3DPrint.com | The Voice of 3D Printing / Additive Manufacturing