Mandelbrot Set https://www.mathematische-basteleien.de/mandel_set.htm
Making of the Mandelbrot Set and its mathematical background
people are familiar with complex ones.
Making of the Mandelbrot Set and its mathematical background
people are familiar with complex ones.
My view on the puzzle Happy Cube
You can put together a figure of two cubes with the
Descriptions of some rings of pyramids and how to make them
I number them with K1 to K15.
How to solve several Burr puzzles
Burr puzzle of Six Pieces A Burr Puzzle with an Empty
About figures formed of equilateral triangles
Simple Polyiamonds top You can only form one figure with
Collection of Domino puzzles
Domino is a famous game with domino pieces (shorter
My contribution to stars
The left star is a regular hexagon with six equilateral
How to make flexagons
side.) (1) Draw a strip of ten equilateral triangles with
How to make stereograms
Look at the left cube with the left eye and at the
My View of Tetraflexagons
Hexa-tetraflexagon More Tetraflexagons Tetraflexagon with