RedLaserRedux
Late 2019/Early 2020 repair/upgrade of the red laser with a 450nm Solid State laser
See https://wiki.makerspaceleiden.nl/mediawiki/index.php/Red_Laser_Redux for the build docs and https://wiki.makerspaceleiden.nl/mediawiki/index.php/Red_Laser_Engraver for the day to day use manual.