LRN2DIY on MSN19 天
Stunning Hexagon / Honeycomb SHELVES Anyone Can Make!
Stunning Hexagon / Honeycomb SHELVES Anyone Can Make!
Scientific American3 年
Here’s How to Make Flexagons—Folded Strips of Paper with Strange and Surprising Properties
The hexagon is then folded as shown ... By lengthening the chain of triangles, the Committee discovered, one can make flexagons with 9, 12, 15 or more faces: Tuckerman managed to make a workable ...