Kaleidocycles https://www.mathematische-basteleien.de/kaleidocycles.htm
You have 4-sided pyramids instead of tetrahedra. …
You have 4-sided pyramids instead of tetrahedra. …
The difference is: You have to change the rational und irrational length of a side
For this page I have chosen the "Origami Igel Kusudama", whose construction is shown
Altogether you have 1×3 + 6×4 = 27 separate smallcubes.
You don’t have to use power in contrast to the Columbus‘ egg.
Cut off a strip of paper, so that you have a rectangle about double as long as broad
If you like to use the whole square for a cube, you have the formula .
The dice have 21 points.
Sometimes I am astonished how many pages have already been assembled.
Faces 1 and 3 have two loops. A pencil shows them.