Double Reverse (Ravenna) method

 

To be completed soon

The Double Reverse ('Ravenna') Method.

Equipment

OSB (oriented strand board, sterling board) 

osb board

Lime putty, (non hydraulic, air drying)

Tracing paper 

Fine permanent pen and fine water soluble ink pen

Fine medical gauze sheets

Rabbit skin glue (a type of water soluble glue) and a double bolder pan to melt it.