1.5MM Dental Hard Splint, Thermoforming Materials for Vacuum Forming Machine 5'' x 5'' 15Sheets. . 8 left in stock - order soon. Polycarbonate Clear Plastic Sheet 12" X 18" X 0.0625" (1/16") Exact, Shatter Resistant, Easier to Cut, Bend, Mold than Plexiglass. VEX Robot, Hobby, DIY, Industrial, Craft. Plexiglas Glass Replacement.