Patterns with Irregular Polygons, GeomeTricks Periodic Patterns Book 4 (Printed)
With this book, you will learn several ways to make irregular pentagons and hexagons, using simple geometric relationships and a bit of number-crunching. All geometry is created in Google SketchUp 7 - a free, easy-to-use 3D modeling application.
For both Mac and PC users. View chapter details.