Materials List

Approved Materials

Material	Thickness	Notes
Acrylic / Plexiglas	1/4"
Delrin
Kapton Tape
Mylar
Paper / Cardstock

Never Use

Any material that has a glue backing is not allowed. The glue will vaporize and may damage the lens.

Material	Safety Hazard	Notes
ABS	Melts / cyanide
Epoxy
Fiberglass
Food
High Density Polyethylene (HDPE)	Catches fire & melts	Milk bottles
Polycarbonate (PC)
Polypropylene Foam
Polystyrene
Polyvinyl Chloride (PVC)	Emits chlorine gas when cut