Dramatic Art 125(Scene Painting)- Winter Quarter 2007
Seventh Assignment - Shapes in space, Sphere, Cone, Cylinder
http://3d.mostert.org/3dpvoorwe.html Source - 3D-voorwerpen in de 3D-wereld
International Library
of Technology, Light and Shade, International Textbook Company, 1922
Handbook of Ornament, Franz Sales Meyer, Dover, 1957, original 1888.