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Half Turn Cube by OSKAR [message #9036] Sun, 17 January 2010 16:36 UTC Go to next message
avatar Oskar_van_Deventer  is currently offline Oskar_van_Deventer
Messages: 409
Registered: December 2008
Go to my shop
Senior Member
Hi Shapeways fans,

Half Turn Cube is a Rubik's Cube that only allows half turns. This makes it a different puzzle that is easier to solve. It was contrived by Takafumi Haseda, and first prototyped by Hidetoshi Takeji in 2007. Read about that prototype at the Twisty Puzzles Forum.

Watch the YouTube clip.
But the puzzle from my Shapeways Shop.
Read more at the Twisty Puzzles Forum.
Check out the photos below.

Enjoy!

Oskar

index.php?t=getfile&id=2307&private=0

index.php?t=getfile&id=2308&private=0

index.php?t=getfile&id=2309&private=0

[Updated on: Sun, 03 October 2010 15:19 UTC]

Re: Half Turn Cube [message #9042 is a reply to message #9036 ] Sun, 17 January 2010 18:26 UTC Go to previous messageGo to next message
avatar gibell  is currently offline gibell
Messages: 379
Registered: May 2009
Go to my shop
Senior Member
Very clever! Is it possible to make a 2x2x2 for which only half-turns are possible? It seems to me the same design, where the faces are slightly rectangular, would not work. Or would it?
Re: Half Turn Cube [message #9043 is a reply to message #9042 ] Sun, 17 January 2010 19:01 UTC Go to previous message
avatar Oskar_van_Deventer  is currently offline Oskar_van_Deventer
Messages: 409
Registered: December 2008
Go to my shop
Senior Member
Hi George,

Yes, a half-turn 2x2x2 is possible. As you may know, most 2x2x2 on the market have a smaller 3x3x3 inside, of which you can only see the corners. If you modify the Half Turn Cube into a 2x2x2 you get the desired effect.

Someone else suggested a more fiendish variation: build a 2x2x2 with a bandaged 3x3x3 inside. This way your 2x2x2 sometimes turns and sometimes it blocks, but you cannot see why it blocks.

Oskar

 
   
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