Steven Dutch, Professor Emeritus, Natural and Applied Sciences, University of Wisconsin - Green Bay

- Symmetry around a point in the plane
- Repeating patterns on a strip (one-dimensional space groups)
- Repeating patterns in the plane (two-dimensional space groups)
- Interactive Page for Drawing the 17 Plane Space Groups htmL5 Version (faster, better)
- Symmetry around a point in three dimensions (3-dimensional point groups)
- The "Best" Representations of the 3-D Point Groups
- Interactive Page for Plotting Stereonets of the 3-Dimensional Point Groups htmL5 Version (faster, better)
- Repeating patterns in space (three-dimensional space groups)

- The crystallographic point groups
- The 48 special Crystal Forms
- Bravais Lattices
- Building crystal forms with unit cells
- Miller Indices

- Tiling Terms
- General Facts about Tilings
- Regular and Archimedean Tilings
- Uniform Tilings
- Polypolygon Tilings
- Rep-Tiles
- Radial and Spiral Tilings
- Logarithmic Spiral Tilings
- Create Your Own Log Spiral Tesselations (Javascript) htmL5 Version (faster, better)
- The Heesch Tile: An Interesting Non-Tiler
- Aperiodic Tilings

- Data on Polyhedra
- Platonic Solids
- Archimedean Solids
- Archimedean Duals
- Kepler-Poinsot Solids
- Uniform Polyhedra
- Compounds of Uniform Polyhedra
- Johnson Polyhedra (Convex polyhedra with regular polygon faces)
- Stellations of Simple Polyhedra
- "Hyperbolic" Tesselations
- Stewart Toroids (Toroidal Solids with regular polygon faces)
- Stellations of the Icosahedron
- Polar Zonohedra and Extended Zonohedra
- Other Interesting Polyhedra
- Enumeration of Polyhedra
- Geometry of the Tetrahedron

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*Created 15 September 1997, Last Update 9 July 1999*