Eitan's Face-Turning Rhombic Dodecahedron (Now with Video!)

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pirsquared
 Post subject: Eitan's Face-Turning Rhombic Dodecahedron (Now with Video!)
Post Posted: Sun Nov 08, 2009 10:20 pm 
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Here it is! I alluded to it in this thread.

I've been working on this for the last month. Enjoy!

VIDEO

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Any comments are welcome.

-π (Eitan)

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Last edited by pirsquared on Mon Nov 09, 2009 4:09 pm, edited 1 time in total.
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MaxXimum13
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Sun Nov 08, 2009 10:23 pm 
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Such a nice puzzle, I can not wait for the video.

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USCuber360
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Sun Nov 08, 2009 10:25 pm 

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extremely nice build loving it how does it turn
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pirsquared
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Sun Nov 08, 2009 10:31 pm 
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MaxXimum13 wrote:Such a nice puzzle, I can not wait for the video.
USCuber360 wrote:extremely nice build loving it how does it turn
Thanks!

It locks up somewhat often, but otherwise, it turns better than anything I've ever built.

-π (Eitan)

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TheCube
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Sun Nov 08, 2009 11:17 pm 
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as the mechanism similar at all to the toru?

toru- http://twistypuzzles.com/forum/viewtopi ... hilit=toru

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eye2eye
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Sun Nov 08, 2009 11:25 pm 
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This is beautiful!
We really need a colorado meet up
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Muffet
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Sun Nov 08, 2009 11:32 pm 
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TheCube wrote:as the mechanism similar at all to the toru?

toru- http://twistypuzzles.com/forum/viewtopi ... hilit=toru

I believe it is more closely related to The Rua puzzle.

http://twistypuzzles.com/forum/viewtopi ... 15&t=10246
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Garrett
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Sun Nov 08, 2009 11:52 pm 
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Very nice job! Was a layered mechanism used?

can't wait to see the video :D

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Jin H Kim
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Mon Nov 09, 2009 12:24 am 
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Fantastic work. Given that it's *just* a "simple" face turning rhombic dodecahedron, I imagine that you only needed a twelve armed spider with centers holding the shallow faces. And even if it is true that the geometry of the design seems to make jumbling almost inevitable, I still have to say I love the design.

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elijah
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Mon Nov 09, 2009 1:28 am 
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:shock:
could we get a size comparison?
I'd really like to know the size of this thing! :D
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Sven
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Mon Nov 09, 2009 6:55 am 
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Great puzzle!
The FTRD? :mrgreen:

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Clay n Eva Creations
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Mon Nov 09, 2009 11:08 am 

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Sven wrote: The FTRD? :mrgreen:

Yea, why not?

Drew gets the DRDV2. :D :D

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Jared
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Mon Nov 09, 2009 11:45 am 

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Was this based off the previously posted design?
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pirsquared
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Mon Nov 09, 2009 1:34 pm 
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Thanks for all the comments!
Jared wrote:Was this based off the previously posted design?
Nope. I was a little miffed when MaxXimum13 posted his design last week. It's nice to be the first to have built it, though.
Jin H Kim wrote:Fantastic work. Given that it's *just* a "simple" face turning rhombic dodecahedron, I imagine that you only needed a twelve armed spider with centers holding the shallow faces. And even if it is true that the geometry of the design seems to make jumbling almost inevitable, I still have to say I love the design.
Thanks! Due to the geometry of the mechanism, the jumbling moves can only go so far. I'll show this in the video.

I would be interested in a mathematical analysis of this thing. (wwwmwww?)
elijah wrote::shock:
could we get a size comparison?
I'd really like to know the size of this thing! :D
Here you go:

FTRD vs. 3x3
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FTRD vs. V7
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-π (Eitan)

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philliesrule3690
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Mon Nov 09, 2009 3:03 pm 
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Wow, that is a lovely size! Beautiful work!

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pirsquared
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Mon Nov 09, 2009 4:08 pm 
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Here's the VIDEO
philliesrule3690 wrote:Wow, that is a lovely size! Beautiful work!
Thanks!

-π (Eitan)

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wwwmwww
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Mon Nov 09, 2009 5:28 pm 
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pirsquared wrote:I would be interested in a mathematical analysis of this thing. (wwwmwww?)
You want the number of states? Andreas Nortmann might be a better person to ask but since this thing jumbles I'm not sure that is a very easy number to get. Great looking puzzle.

Carl

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elijah
 Post subject: Re: Eitan's Face-Turning Rhombic Dodecahedron (Now with Video!)
Post Posted: Mon Nov 09, 2009 5:55 pm 
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hmm, now if only maxx would make his version a little larger...
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pirsquared
 Post subject: Re: Eitan's Face-Turning Rhombic Dodecahedron (Now with Video!)
Post Posted: Mon Nov 09, 2009 5:59 pm 
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Why?

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elijah
 Post subject: Re: Eitan's Face-Turning Rhombic Dodecahedron (Now with Video!)
Post Posted: Mon Nov 09, 2009 6:02 pm 
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Maxx's version is most likely unstable, and it's only the size of a 3x3, which seems too small to me, but it's the only rhombic dodecahedron available to the public, so I think I'm going to print it anyway.
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PaulWozniak
 Post subject: Re: Eitan's Face-Turning Rhombic Dodecahedron (Now with Video!)
Post Posted: Mon Nov 09, 2009 10:24 pm 
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Excellent work. That thing is a beauty!

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Sjoerd
 Post subject: Re: Eitan's Face-Turning Rhombic Dodecahedron (Now with Video!)
Post Posted: Tue Nov 10, 2009 7:38 am 
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beautiful puzzle, beautiful size, beautiful rotation! And I imagine it to be quite difficult too!

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Leslie Le
 Post subject: Re: Eitan's Face-Turning-Rhombic-Dodecahedron (better name?)
Post Posted: Tue Nov 10, 2009 9:31 pm 
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Being it a three layered FTRD, I can't agree more.
Jin H Kim wrote:Fantastic work. Given that it's *just* a "simple" face turning rhombic dodecahedron, I imagine that you only needed a twelve armed spider with centers holding the shallow faces. And even if it is true that the geometry of the design seems to make jumbling almost inevitable, I still have to say I love the design.
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Garrett
 Post subject: Re: Eitan's Face-Turning Rhombic Dodecahedron (Now with Video!)
Post Posted: Wed Nov 11, 2009 5:12 am 
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Eitan, you must show the mechanism! I'm curious about how you were able to do this (presumably without a layered mechanism).

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Sigurd
 Post subject: Re: Eitan's Face-Turning Rhombic Dodecahedron (Now with Video!)
Post Posted: Wed Nov 11, 2009 9:58 am 
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amazing turning quality! great work! please make some for us! :) in BLACK plastic :twisted:

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pirsquared
 Post subject: Re: Eitan's Face-Turning Rhombic Dodecahedron (Now with Video!)
Post Posted: Wed Nov 11, 2009 11:06 am 
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Garrett wrote:Eitan, you must show the mechanism! I'm curious about how you were able to do this (presumably without a layered mechanism).


There is no layered mechanism. Just check out MaxXimum13's original thread that I linked to in my first post.
Doubleyou wrote:amazing turning quality! great work! please make some for us! :) in BLACK plastic :twisted:
Sorry, but I don't make puzzles in black anymore. It stains too much!

-π (Eitan)

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