The Crystal Cube is based on an Origamic triangulated square. The concept illustrates that a very simple idea can be beautiful like a flower or crystal. Simple triangular geometries have inherent structural capabilities, and can be hinged to fold and unfold to assemble or disassemble.
'The $300 House' Challenge
The house can be fabricated form a single large sheet of material. Upper triangles are equal and lower triangles are equal. Only two triangles make the cube.