This technical paper has many pictures of the wax moulds and more details of how the process works: http://www.journalamme.org/papers_vol32_1/32110.pdf http://w

This technical paper has many pictures of the wax moulds and more details of how the process works: http://www.journalamme.org/papers_vol32_1/32110.pdf http://www.journalamme.org/papers_vol32_1/32110.pdf