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Katsuhiko Okamoto
Katsuhiko
Okamoto
is a
Japanese
inventor
who specializes in
modifications
of
the Rubik's Cube
. Since 2001 he has created
31
such
puzzles
.
Okamoto Cubes
An
incomplete
list of
Okamoto's
inventions:
Floppy
Cube
- a 3x3x1
cube
Scramble Cube - a
modified
Floppy Cube
, with a diamond-shaped
centrepiece
Slimtower - a 2x2x3 cube, Okamoto's first
invention
Void Cube - a
hollow
3x3x3 cube without centrepieces, which uses a
rail
mechanism to
move
cubies
Bevel Cube -
identical to
the independently developed
Helicopter Cube
, which appears to be a 2x2x2 cube with 8
triangles
per
face
Latch Cube - a 3x3x3 with directional constraints on its
edges
.