All That Glitters Shopping › Hyperbolic Paraboloid - an engineering wonder by Robin Morgan Image 1 of 1 Hyperbolic Paraboloid - an engineering wonder by Robin Morgan $100.00 sterling silver. Necklace: a miniature hyperbolic paraboloid on an 18" silver chain Add To Cart Added! sterling silver. Necklace: a miniature hyperbolic paraboloid on an 18" silver chain