PatternPly® Acrylic Solid Black on Red, one sided for backlighting
1/8” transparent red acrylic with black on one side. Glows red when illuminated from behind.
Engrave on the black side
~12 x 19.2”
Set material to Medium Clear Acrylic
Engrave: default but change focus to 0.325 in
These settings are a starting point. Always test a small area of the sheet before starting a project in case further fine tuning is necessary for your laser.