80mm Spindle Mount for 40mm Laser

https://www.youtube.com/watch?v=tCCRQ7rP64g

If you already have a cnc with an 80mm spindle mount just spend the 100 bucks and pick up one of these

http://www.aliexpress.com/item/REAL-2000mw-2w-445nm-450nm-Focusable-blue-Laser-Module-diode-High-Power-laser-Engraving-TT-L/32595554303.html

good times

This thing was made with Tinkercad. Edit it online https://www.tinkercad.com/things/bqut8pfcF76