Paper Basket https://www.mathematische-basteleien.de/basket.htm
How to fold a basket from a sheet of paper.
(If you have no practise, you should pre-fold by several
How to fold a basket from a sheet of paper.
(If you have no practise, you should pre-fold by several
Meine Sicht fünfstrahliger Figuren
Kepler-Poinsot-Körper „All four (Kepler-Poinsot Polyhedra) have
A simple puzzle, but not easy to solve.
is also a bag on the reverse side, but the colours have
Homepage 1999 – how it started
A colleague suggested: „Think of newspapers, they have
Spirograph and its mathematical background
In the end you have to use both trigonometric formulas
About the cuboctahedron
Opposite areas have the same colours.
How to make a paper boat
You have formed the well known hat. 9 …
My page about the Sonobe star
You just have to make sure that not five pyramids but
A Collection of Ladder Problems
There are two similar triangles (yellow) and you have
Making of the Mandelbrot Set and its mathematical background
Provided that you have a palette with 10 colours (0