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Oskar van Deventer


3D modeler, Designer
M. Oskar van Deventer is the creator of hundreds of innovative mechanical puzzle designs, several of which are commercially available.

Quartolabacus is a smoothly turning six-segment twisty puzzles with balls sliding through the grooves: Quartolabacus - single segment
Flip Gears is a new flexible gearing mechanism with 360 degrees of freedom: Flip Gears
Boney Pentominoes is the classic Pentominoes puzzles, but now with a boney structure: Boney Pentominoes - 12 Parts
Boney Maze is a 3D maze will a ball running through a spherical boney structure: Boney Maze
Gear Chain Six is a folding puzzle, that is more confusing than you would expect: Gear Chain Six
Rainbow Ring is a colorful puzzle ring that comes apart completely: Rainbow Ring
Olympic Puzzle Ring is a brass, bronze or silver puzzle ring that scrambles in the shape of the olympic rings: Olympic Puzzle Ring metal
Oskar_van_Deventer commented on Gift Cube by Oskar_van_Deventer
June 5, 2017
Gift Cube
Oskar_van_Deventer @Luke8sad P.S. See also here:
Oskar_van_Deventer @Luke8sad See the other comments. Also, what have you learned from this?
Fall Apart Ring in silver plus brass, puzzle ring that comes apart and that hence can be made in multiple metals: Fall Apart Ring metal
WOW5 Coaster Metal, a metal puzzle ring pushed flat into a coaster shape: WOW5 Coaster Metal
Olympic Puzzle Ring, a puzzle ring that scrambled into a familiar pattern: Olympic Puzzle Ring
Oskar_van_Deventer commented on Pancake Cube by Oskar_van_Deventer
March 28, 2017
Pancake Cube
Oskar_van_Deventer @JonathanBurn Jonathan, please contact me privately via if you are seriously interested in purchasing this puzzle. - Oskar
Mobius Puzzle Ring, an anarchistic puzzle ring that refuses to follow the rules: Mobius Puzzle Ring
Hinges for Oskar's Treasure Chest
Oskar_van_Deventer @tenghao56 Here you are:
Oskar_van_Deventer commented on Treasure Skewb by Oskar_van_Deventer
March 1, 2017
Treasure Skewb
Oskar_van_Deventer @fb3fcc2@fb3fcc2 Please contact me privately about this via Thanks.
Holistic Ring, a four-band puzzle ring of which the symmetries complicate its solving: Holistic Ring interlocking metal
See here how the OoO Ring is solved:


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