3D Origami Antidiamonds Author:John Montroll Antidiamonds are incredibly beautiful and mind-boggling shapes. These previously unexplored shapes are now shown in full detail. For each model, the faces are identical kite-shaped quadrilaterals. They resemble diamonds but the upper and lower parts are symmetrically staggered. These unusual shapes are fun to fold and make for amazing displays. ... more »This collection makes a pair with 3D Origami Diamonds. Clear step-by-step diagrams teach you how to fold these interesting shapes. Each model is folded from a single square which makes them more amazing and satisfying. This collection shows how to fold 24 three-dimensional antidiamonds, or trapezohedra. They vary in number of sides and proportions, from tall and thin to short and squat. The models range from intermediate to moderately complex. All are original designs and use imaginative folding techniques.« less