Baumann Eduard, Fribourg, Switzerland
Intersections
of cylinders (english)
Intersections de cylindres (français)
Schnitte von Zylindern (deutsch)
3D printings available !
3D
Updated / mise à jour / nachgeführt : 04.01.2012
Split polygons in equal area pieces with minimal cutting length. 2009 update.
What is the maximum volume for a not strechable
cushion which can be flattened to a square? Click on the cushion!
How big can a n-polygon be if it must be covered by m n-polygons
of side 1? Click on the sketch!
Wahrscheinlichkeiten
beim Kartenspiel § ¨ © ª
See also:
Ich wandere gern (hiking, randonné), siehe:
http://www.hikr.org/user/BaumannEdu/tour/
New site for programming contests:
http://infinitesearchspace.dyndns.org/
I'm a fan of 4D cubing:
http://www.superliminal.com/cube/cube.htm
Splitting a cube in
tetrahedras
Counting
2-colored dodecahedra
NEW: Counting facepairings on platonic polyhedra
Beyond the 21 cylinder intersection
Counting stamp foldings / Anzahl Briefmarkenfaltungen
Human knots / Menschliche Knoten
Try LaserTank, a Sokoban like programm ! http://en.wikipedia.org/wiki/Lasertank http://perso.cgocable.ca/lasertank/index.html Interessanter Link für Denksport: http://www.itkp.uni-bonn.de/~wichmann/think1.html Freeware:
http://homepage.swissonline.ch/lb" Keywords: cylinder Zylinder
cylindre intersection Schnitt Dodekaeder dodecaèdre dodecahedra volume surface
Oberfläche Volumen truncated tronqué tetraèdre Tetraeder tetrahedra cube Würfel
Rhombododekaeder Raumwinkel Kubooktaeder Rhombentriakontaeder Zylinderschnitte
géometrie mathématique Geometrie Zeitgleichung Knoten knots Cubesplitting Covering Power 
An Knoten interessiert ? Dann unbedingt: http://knotplot.com/