PatternPly® Acrylic Solid Black on Clear, two sided for edge lighting1 8 clear acrylic with black on both sides. Glows white when edge lit. NOT DIODE FRIENDLY ~12 x 19. 2 Settings: Set material to Medium Clear Acrylic Cut: 168 full 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.