TrefoilOrifold
by rlbagulatftn
From: The Arithmetic of Hyperbolic 3-Manifolds http://www.amazon.com/gp/product/0387983864 page 158, figure 4.14.
This design can not be ordered
From: The Arithmetic of Hyperbolic 3-Manifolds http://www.amazon.com/gp/product/0387983864 page 158, figure 4.14.