DSDon SigalBooks and models by this designerModels 3Books 1Books (1)All books that include models by this designer.Origami USA Convention 19891989Models: 101OUSAModels (3)All models by this designer.Hyperbolic parabolaOrigami USA Convention 1989 · p. 231Sea serpentOrigami USA Convention 1989 · p. 234StarOrigami USA Convention 1989 · p. 215