Tetracube https://www.mathematische-basteleien.de/tetracube.htm
Building Rectangular Solids of Tetracubes top The tetracubes have 32 cubes
Building Rectangular Solids of Tetracubes top The tetracubes have 32 cubes
The hexagons have 1,7,19, 37, … small hexagons.
Together the six squares have 6×4=24 sides. 2×5=10 sides (red) are bound.
Turning the Cubes top After you have solved one puzzle, you can easily get the
Hence you have an harmonic motion.
The sides don’t have the same colour, but they show nine different pictures, six
The difference is: You have to change the rational und irrational length of a side
Therefore the quadrilateral is a rhombus and all sides have the same length.
Obviously you expect that stars must have "pointed points". 6th possibility: You
But two cubes have 16 balls.