Golden icosahedron

This icosahedron is based on three intersecting golden rectangles. The project is easy to construct from plywood, but there are also plenty of crafting alternatives that do not require power tools. The icosahedron is one of the five Platonic solids. It has 20 faces, all of which are equilateral triangles. ***** Template: ***** About my mathematical scribbles near the end: Yes, I know that I used ’r’ as a variable twice, but I ended up not using t