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 Post subject: Cube Bouchon by OSKAR
PostPosted: Sat Nov 03, 2012 3:28 am 
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Hi Twisty Puzzles fans,

Cube Bouchon is a stop&go puzzle. Opposite pair of faces are connected by gears, such that sometimes one face is blocked, sometimes the other, and sometimes they gear together. The gearing ratios are 2:0, 1-1, 0-2, and 1-1. The inner mechanism is demonstrated here.

Watch the YouTube video.
Buy the puzzle at my Shapeways Shop.
Read more at the Shapeways Forum.
Check out the photos below.

Enjoy!

Oskar
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 Post subject: Re: Cube Bouchon by OSKAR
PostPosted: Sat Nov 03, 2012 5:28 pm 
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I like the concept !

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 Post subject: Re: Cube Bouchon by OSKAR
PostPosted: Sat Nov 03, 2012 5:45 pm 
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I like the way you used the stickers to indicate the orientation of the gears.

Fantastic puzzle!

-Eitan

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 Post subject: Re: Cube Bouchon by OSKAR
PostPosted: Sun Nov 04, 2012 7:24 am 
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Reminds me of a standard 3x3x3 that hasn't been lubed properly (where the middle layer randomly catches and turns with either one of the two outer layers), but with infinite and non-random friction. :D

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 Post subject: Re: Cube Bouchon by OSKAR
PostPosted: Sun Nov 04, 2012 12:01 pm 
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Nice!!!
pirsquared wrote:
I like the way you used the stickers to indicate the orientation of the gears.
I see how the stickers turn the centers into super centers by giving them orientation but I'm confused by the ways the gears are drawn. Let's look at the red face for example. The yellow portion of the gear is truncated. But the motion of the red face is tied to the orange face. So assume you couldn't see the gears inside and this cube was scrambled into a random position. How do this stickers tell you where you are in the gearing ratio sequence 2:0, 1:1, 0:2, then 1:1 again? I think you'd have to look at the orientation of two opposite stickers because the state of the yellow face shouldn't have anything to do with the state the red face is in. For example, in the video your first move is the green face and it turns by itself. Should one be able to determine that this face will turn by itself from the information contained within the stickers? If so how?

Looking at the pictures a bit more I see the orange face sticker has the white portion of the gear truncated. So does your solved state have the face center gear truncation in an opposition direction for each opposite face? Ok... by closely watching the video I can see that they do. In the video all 6 face centers can be seen.

Which leads me back to my first question. If one notes the green face has its gear truncation in the opposite direction of the blue face I believe that tells you the green face will turn by itself based on what is seen in the video. But this rule can't be universal as the blue face also has its gear truncation in the opposite direction of the green face yet that face does NOT move by itself when turned. So I'm just confused by how the center stickers are drawn.

Carl

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Last edited by wwwmwww on Mon Nov 05, 2012 10:51 am, edited 1 time in total.

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 Post subject: Re: Cube Bouchon by OSKAR
PostPosted: Sun Nov 04, 2012 12:24 pm 
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wwwmwww wrote:
How do this stickers tell you where you are in the gearing ratio sequence 2:0, 1-1, 0-2, then 1-1 again?
They do not. Bob Hearn's statement for Variomatic Cube is equally true for Cube Bouchon: these puzzles need to have an identifiable canonical state. For this puzzle, the canonical state is having red, yellow and green midway their 2:0 turn. This is not indicated by the shape of the stickers, only by the colors. Now all my puzzles of this type (Slice Gear Cube, Paso Doble, Variomatic Cube, Cube Bouchon) have different center stickers, so I can more easily identify the puzzle.

Oskar

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 Post subject: Re: Cube Bouchon by OSKAR
PostPosted: Mon Nov 05, 2012 1:42 am 
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I think this is fantastic.
It seems almost like magic that it works so well and turns so well given what's going on inside.
Very nice, Oskar, as usual!

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 Post subject: Re: Cube Bouchon by OSKAR
PostPosted: Mon Nov 05, 2012 11:03 am 
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Oskar wrote:
wwwmwww wrote:
How do this stickers tell you where you are in the gearing ratio sequence 2:0, 1-1, 0-2, then 1-1 again?
They do not.
Thanks for clearing that up. This whole notion of Twisty Puzzles where one needs to talk about canonical states reminds me of multi-state mazes. It certainly brings a new element to Twisty Puzzles. I'm curious, what was the first twisty puzzle where solving was (or would have been) aided by thinking about canonical states? Would it have been the Latch Cube? Or could this also be applied to some of the Bandaged 3x3x3's? It may not be as near a new concept as I'm thinking.

Curious,
Carl

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 Post subject: Re: Cube Bouchon by OSKAR
PostPosted: Mon Nov 05, 2012 1:18 pm 
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Joined: Sat Mar 22, 2003 9:11 am
Location: Marin, CA
This probably isn't quite as hard as it looks at first blush. In the appropriate configuration you can do (RF-R-F)2U(F-RFR-)2U- to reorient two corners.


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 Post subject: Re: Cube Bouchon by OSKAR
PostPosted: Tue Nov 06, 2012 11:58 am 
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Wonderful looking puzzle as always.

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