House of Santa Claus http://www.mathematische-basteleien.de/house.html
You have to draw a house in one line.
You have to draw a house in one line.
Obviously you expect that stars must have „pointed points“. 6th possibility: You
Therefore the quadrilateral is a rhombus and all sides have the same length.
You have 4-sided pyramids instead of tetrahedra. …
But two cubes have 16 balls.
Altogether you have 1×3 + 6×4 = 27 separate smallcubes.
Cut off a strip of paper, so that you have a rectangle about double as long as broad
For this page I have chosen the „Origami Igel Kusudama“, whose construction is shown
You don’t have to use power in contrast to the Columbus‘ egg.
If you like to use the whole square for a cube, you have the formula .