http://www.mitchlyons.com/ Mitch Lyons explains that this process developed from years of trial and error with material. He is a potter by trade, but was seeking out a way to break into the 2D world.

Leather hard slab.

White China clay

Mix clay and water - equal parts. Add tempera paint or pigments for color. Paint must be without a drying agent. No acrylic. No oil.

Slip trailer

Use a spray bottle to moisten pellan.