Every family has a dynamic. Three particularly important ingredients to this dynamic - among many others - are assigned roles, inherited patterns of relating and invisible rules. These invisible ...

1. dodecahedron isth inscribed octahedron, numbered D1-Oi. The sheet is dated: Oct 23-1944. It includes paper and metal pattern pieces, drawings on the sheet, and another sheet clipped to the side. 2.

These materials include pattern pieces (both plastic and paper) relating to A. Harry Wheeler's models of one-sided polyhedra. Wheeler’s interest in one-sided polyhedral seems to have been heavily ...