Interesting things to make out of paper—from mathematical models to toys.
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Hinge Dissection: Gnomon to a Square
Steffen's Flexible Polyhedron
Triangular Dipyramid
Pentagonal Dipyramid
Triaugmented Triangular Prism
Self-sorting Cards
Gyroelongated Square Dipyramid
Snub Disphenoid
Illustrate That Interior Angles of a Triangle Sum to 180°
Goldberg's Tri-stable Polyhedron
Trisect an Angle by Folding
Bricard's Flexible Octahedron
Double a Cube
Rhombic Dodecahedron
Maximum Volume from a Square Net
Császár Polyhedron
Szilassi Polyhedron
Sarrus Straight Line Polyhedral Linkage
Beehive Cells
Stamp-Folding Puzzles
Fold Pentominoes from a Loop of Triangles
Hyperboloid Haircut
Net of an Oblique Circular Cylinder
Helicoid String Art
Cut Penrose Tiles Quickly
The Volume of a Pyramid is One-Third that of a Prism
Space-Filling Bisymmetric Hendecahedron
Chestahedron
Golden Rhombohedra
Cross Space Fillers
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