Who Are You…
And Why Are You Talking About Pentagons?
Regular!
How it started
How its going
Construction of a Pentagon
Euclidean Tools
Fibonacci Spiral
Live!
Dodecahedron
Truncated Icosahedron
Early 18th Century Pentagonal Tiling in the Czech Republic
Penrose P1 Tiling
Discovered by Roger Penrose and then popularised by
Martin Gardner in Scientific American, 1977
Penrose P3 Tiling
Only two shapes
Present in crystal and alloy atomic structures
Rep-Tile
Follow Dr. Laura Taalman
@mathgrrl
They have files for 3D printing these pentagons and primitive units