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Lifelike Tessellations Activity Book
註釋This book contains two pages of background material about tessellations, an activities example page, plus two dozen 8.5 x 11 pages of original Escher-like designs. There are five activities that may be performed for each page: 1. Identifying the different types of tiles in the design; 2. Identifying the unit cell for the design (the group of tiles that can be repeated to cover the plane); 3. Marking the different types of symmetry the design possesses; 4. Drawing the geometric grid on which the design is based; 5. Coloring the design.