"Acrylic (PMMA): Cast vs Extruded Plexiglass, Perspex, Light Transmission, Laser Cutting, and Aquariums"
"Complete guide to acrylic sheet including cast vs extruded differences, 92% light transmission compared to glass, Plexiglas Perspex Acrylite brands, laser cutting behaviour, aquarium and bathtub applications, and thickness tolerances."