Burr Puzzle https://www.mathematische-basteleien.de/devilsknot.htm
How to solve several Burr puzzles
Burr puzzle of Six Pieces A Burr Puzzle with an Empty
How to solve several Burr puzzles
Burr puzzle of Six Pieces A Burr Puzzle with an Empty
Something about cubes
Actually the drawing with equal edges on the left was
About spirals
right. – There are nine snapshots. (2) The motion with
private Seite
private page of nostalgia, which has nothing to do with
My view on Triangular Numbers
There also is the recursion formula dn+1= dn+ n with
Kolams and Sona
They draw dots with rice flour as a guide and then
Homepage 1999 – how it started
due to the universities, which thus got in touch with
Rubik’s Cube in my view
Last Slice Planned Chaos Taking to Pieces Solving with
My view on the Bascetta-Star
Comparison with the Great Stellated Dodecahedron Folding
How to make the handkerchief mouse
I relearnt how to make it with the help of a video