15W blue (450nm) LED laser module and GRBL investigation – Sauron's TrashPage
Amazon.com: cnc12V fixed-focus blue laser module for CNC6550 5040 (4030 2-Axis) CNC3018, 3018 PRO, 2418, 1610, 1810 with TTL/PWM Can cut 1mm-4mm balsa wood Can be engraved stainless steel : Arts, Crafts & Sewing
Amazon.com: CNC 24V blue laser module for laser engraving and cutting machine 24V with PWM/TTL can cut 3mm balsa wood can engrave stainless steel (40×40×70mm) : Arts, Crafts & Sewing