Triad Optical Illusions

By Harry Turner

Discover design inspiration with the triad - imaginary creations impossible to construct in three dimensions. Author shows how to create, vary your own designs. 92 figures include extended and... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0486235491
• ISBN13: 9780486235493
• Release Date: May 2013
• Publisher: Dover Publications
• Length: 72 Pages
• Weight: 0.40 lbs.
• Dimensions: 0.3" x 8.3" x 10.9"
• Age Range: 3 years and up
• Grade Range: Preschool and higher