## Jan de Koning

Freelance carpenter; designer of furniture and mathematical objects

http://www.mathmaker.nl

jandekoning@xs4all.nl

"I create mathematical objects of wood and plastics. Addition of magnetic
attachments makes them into appliances for amusement and educational purposes.
Thus, I communicate the beauty of mathematics;"

* “ Five tetraheda compound ”*

2007, wooden of plastic sticks and magnets, length of stick 18 cm.

Mathematical puzzle, consisting of 30 sticks with 2
magnets at each mitred end. When the puzzle is solved, the result
consists of five intertwined tetrahedra.