Paper Basket https://www.mathematische-basteleien.de/basket.htm
(If you have no practise, you should pre-fold by several halvings.) 10 …
Dein Suchergebnis zum Thema: have
Flexatube http://www.mathematische-basteleien.de/flexatubes.htm
There is also a bag on the reverse side, but the colours have changed.
Homepage 1999 – how it started http://www.mathematische-basteleien.de/homepage1999e.htm
A colleague suggested: „Think of newspapers, they have narrow columns for better
Spirograph https://www.mathematische-basteleien.de/spirographs.htm
In the end you have to use both trigonometric formulas. Result: ……
Fünfstrahlige Figuren http://www.mathematische-basteleien.de/fuenfstrahlig.htm
Links ein Beispiel Kepler-Poinsot-Körper „All four (Kepler-Poinsot Polyhedra) have
Cuboctahedron https://www.mathematische-basteleien.de/cuboctahedron.htm
Opposite areas have the same colours.
Paper Boat https://www.mathematische-basteleien.de/paper_ship.htm
You have formed the well known hat. 9 …
Sonobe Star https://www.mathematische-basteleien.de/sonobestar.htm
You just have to make sure that not five pyramids but four pyramids form a wreath
Ladder Problems http://www.mathematische-basteleien.de/ladder.htm
There are two similar triangles (yellow) and you have (##) x:b=b:y.
Mandelbrot Set http://www.mathematische-basteleien.de/mandel_set.htm
Provided that you have a palette with 10 colours (0 to 9).