Poly (methyl methacrylate) (PMMA) belongs to a group of materials called engineering plastics. It is a transparent thermoplastic. PMMA is also known as acrylic, acrylic glass, perspex, or plexiglass, as well as by the trade names and brands Crylux, Plexiglas, Acrylite, Astariglas, Lucite, Perclax, and Perspex, - wikipedia

• PMMA does not contain the potentially harmful bisphenol-A subunits found in polycarbonate and is a far better choice for laser cutting.

Acrylic is a transparent petroleum-based thermoplastic product often manufactured in sheets as a lightweight and shatter-resistant alternative to glass. Sometimes plexiglass is referred to as acrylic glass because it’s a glasslike substance. - What Is Plexiglass Made Of?

Cutting

The best ways to cut acrylic or plexiglass sheets

• < 1mm avec un cutter + une regle
• 1 - 3mm + scoring knife / cutter can work: cut a groove of 1/3 of depth on each side
• > 4mm - sandwitch + grinder disk - long soft stroke

Bending

• How To Make Acrylic Bending Machine

see also

• 5 ways to GLUE clear plastic without marks / Model Making Tips

• Form Bending Sheet Acrylic for a Curved Display Case
• Acrylic Bending using a Wooden Form

• 10 tips & tricks PLEXIGLASS working HOMEMADE

• Heat forming plastics in the toaster oven
• Blowing a plexiglass bubble