polycaprolactone (PCL) plastic

PCL plastic is a hand-moldable plastic that's useful for makers and prototyping. It's sold under brands such as Polymorph, Friendly Plastic, PlastiMake, and InstaMorph.

What is polycaprolactone?
Fabrication techniques
How to add pigments to PCL
Different brand names that PCL is sold under
Different forms that polycaprolactone is sold in — pellets, sheets, filament, and credit card-sized pieces
Similar products to polycaprolactone

(TODO — create an animated-GIF-style WebM file, that has several still shots excerpted from this video)