Uploaded March 2017 | Updated September 2026, 2 hours ago
LaserGRBL, one of the best controller for DIY Laser Engraver
lasergrbl.com
**** suggested products ****
Laser engraver: https://s.click.aliexpress.com/e/_dVOlVF1
Laser module 7/10/20W: https://s.click.aliexpress.com/e/_d6B14pp
Small burnt dots in final image are because of deceleration and stops of laser movement.
Grbl v1.1 contains a new constant power M4 mode that modulate laser power with speed, and prevent them. Use M4 instead of M3 and they will disappear.
LaserGRBL, one of the best controller for DIY Laser Engraver
lasergrbl.com
**** suggested products ****
Laser engraver: https://s.click.aliexpress.com/e/_dVOlVF1
Laser module 7/10/20W: https://s.click.aliexpress.com/e/_d6B14pp
Small burnt dots in final image are because of deceleration and stops of laser movement.
Grbl v1.1 contains a new constant power M4 mode that modulate laser power with speed, and prevent them. Use M4 instead of M3 and they will disappear.










