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Anthony
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Post subject: GREENHILL'S TETRAHEDRON Posted: Mon Jun 06, 2005 6:55 am |
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Joined: Sun Jul 21, 2002 1:07 am
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Ed Cambridge
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Post subject: Posted: Mon Jun 06, 2005 7:12 am |
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Joined: Mon Dec 23, 2002 3:19 pm Location: Ann Arbor, Michigan, USA
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Incredible! Can you post some pictures of it scrambled?
_________________ Ed
Visit my puzzle shop at http://www.edsthinkshop.com/twisty
If you key it in manually, don't forget the /twisty. It routes you to the version of the site with the TwistyPuzzles.com discount.
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jaap
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Post subject: Re: GREENHILL'S TETRAHEDRON Posted: Mon Jun 06, 2005 7:20 am |
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Joined: Wed Mar 15, 2000 9:11 pm Location: Delft, the Netherlands
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That is an awesome Square-1 transformation. It must have been a huge amount of work.
_________________ Jaap
Jaap's Puzzle Page: http://www.jaapsch.net/puzzles/
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Sean
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Post subject: Posted: Mon Jun 06, 2005 10:37 am |
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Joined: Tue Aug 26, 2003 12:38 am Location: Lafayette, IN.
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That's amazing! An absolute work of art! I'd be interested in knowing how long that took you to complete from beginning to end. Excellent work.
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Aleksey
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Post subject: Posted: Mon Jun 06, 2005 11:42 am |
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Joined: Mon Sep 09, 2002 2:19 pm Location: Yaroslavl, Russia and Maryland, USA
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Anthony, it's beautiful! I would love to see it scrambled as well.
_________________ Aleksey
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Tim Browne
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Post subject: Re: GREENHILL'S TETRAHEDRON Posted: Mon Jun 06, 2005 12:06 pm |
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Joined: Sun Dec 19, 1999 3:02 am Location: Canada
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Anthony wrote: Here it is, the latest transformation. Hope you like it.
Anthony
Uh... wow.  A very impressive piece of work there, Anthony. I don't know how you keep doing it. I'm kind of scared to ask for scrambled pictures... that looks intimidating enough when it's solved.  Are there still places around to get Square-1 puzzles commercially? I've got a couple of ideas in mind for mods myself, and they don't appear to be sold locally any more. L8r.
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Mr.Twisty
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Post subject: Posted: Mon Jun 06, 2005 12:06 pm |
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Joined: Fri Jun 29, 2001 10:09 am Location: Great State of Washington
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I am speechless. Well done. Do you have any internal pictures or individual piece pictures you could share?
_________________ I have 2 words for you - "Gotta Have It"
Yogi Berra
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Jin H Kim
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Post subject: Posted: Mon Jun 06, 2005 12:25 pm |
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Joined: Tue Oct 09, 2001 6:14 am Location: Orange County, CA, USA
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Quinn Lewis
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Post subject: Posted: Mon Jun 06, 2005 3:49 pm |
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Joined: Thu Dec 25, 2003 4:08 am
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Very nice indeed! I had an idea similar to this earlier in the year. Never got around to it obviously. However, I did manage to start a spherical square one that should be done soon. I hope so at least! Anyway, congrats Anthony!!
Quinn
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Vadim
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Post subject: Posted: Mon Jun 06, 2005 5:22 pm |
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Joined: Mon Jul 30, 2001 2:50 am Location: Nottingham, UK
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Unbelievable, Tony!
This one is beyond any imagination.
How did you even come up with such beauty?
The implementation must have been the hardest, comparing to any other puzzles you've made?
Mind you, having your experience, it might be getting easier making very difficult mods!?
Well done! That was a big surprise!
Vadim
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Smapla
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Post subject: Posted: Mon Jun 06, 2005 5:50 pm |
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Joined: Sat Apr 30, 2005 6:44 pm
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WOW! thats insane! but i'd hate to have to solve it...
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Joseph Liao
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Post subject: Posted: Mon Jun 06, 2005 7:56 pm |
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Joined: Tue Aug 10, 2004 4:00 pm Location: Arcadia, CA, USA
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Tony Fisher
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Post subject: Posted: Mon Jun 06, 2005 8:43 pm |
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Joined: Sun Mar 27, 2005 7:37 pm
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Nice one Anthony. Am I right in thinking that in it's solved state the Square One is part way through a turn?
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Darren Grewe
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Post subject: Posted: Mon Jun 06, 2005 10:50 pm |
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Joined: Sat Apr 22, 2000 2:51 am Location: New Ulm, Minnesota, USA
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Awesome!!!!!!! Very cool!!!!! So do you have any scrambled picture? Like what Aleksey said. So is this your second mold of the square-1 that is different shape other then a cube? What other shape molds do you have in store for use? 
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Andreas Nortmann
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Post subject: Posted: Tue Jun 07, 2005 1:14 am |
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Joined: Mon Aug 02, 2004 7:03 am Location: Koblenz, Germany
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Anthony did it again!
Definitely the puzzle of the year!
Andreas
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Vadim
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Post subject: Posted: Tue Jun 07, 2005 3:14 am |
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Joined: Mon Jul 30, 2001 2:50 am Location: Nottingham, UK
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P.S.
I think we have 2 kings of the puzzle building!
One of my work colleagues, who's surname is also Greenhill is very proud of his last name now.
He certainly recons that this creativity flows in his veins too!
Vadim
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Michael
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Post subject: Posted: Tue Jun 07, 2005 5:56 am |
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Joined: Mon Jan 15, 2001 12:30 am Location: Montreal, Canada
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A Masterpiece !
Michael

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Etienne de Foras
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Post subject: Posted: Tue Jun 07, 2005 7:51 am |
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Joined: Sun Mar 09, 2003 7:49 pm Location: France, Meudon
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Hello,
A very nice mod !!
How is it when scrambled?
See you
Etienne
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Jake
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Post subject: Posted: Tue Jun 07, 2005 5:30 pm |
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Joined: Mon Feb 03, 2003 6:54 am Location: United States, Wisconsin
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Wow, what a gorgous mod! It looks like a pain to turn though. I bet this guy can get some pretty funky shapes. I too would like to see some scrambled images
Way to go Anthony!
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UberStuber
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Post subject: Posted: Wed Jun 08, 2005 8:05 pm |
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Joined: Sat Jun 26, 2004 7:15 pm
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 *mind explodes just thinking about how it turns*
_________________ -blearg
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away
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Post subject: Posted: Thu Jun 09, 2005 5:02 am |
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Joined: Tue Oct 07, 2003 10:00 pm
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Anthony
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Post subject: Posted: Mon Jun 13, 2005 6:56 am |
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Joined: Sun Jul 21, 2002 1:07 am
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Thanks to all of you for your comments regarding Greenhill’s Tetrahedron.
Now to answer your questions.
Scrambled pics –
To follow shortly, this week hopefully.
No it is not April 1st, this puzzle does exist. (I take this as a compliment).
Time –
It took just over a month with fairly constant working. This was working on it about 1 to 2 hours a night during the week with maybe 4 hours over the weekends. Very approx. 70 hours. Of course this involved all the working out of the angles and the transformation of the pieces, and, making the templates for the stickers. As this is now all done, the time would be reduced.
Where to get Square 1’s –
Don’t know at the moment.
Internal Pics –
Sorry there are no internal pics. The mechanism is the Square 1, it’s just the pieces have been transformed.
Half turn of Square 1 –
Not to bore you all with ALL my thoughts, ideas, proposals and decisions/scrapped decisions etc. over months and months, this one has been on and off for a long time, more than a year, this would be a long posting if I went into depth. I finally decided on a half turn and a somewhat complicated truncation of the original puzzle. I did not want the middle layer to be continuous on the finished item. The idea of the middle ‘half’ layer on the white face beginning at the bottom corner and rising at a slight angle really appealed to me. I will say that the final result/appearance was not random.
Square 1 transformations –
I have made –
Star Prism, 2 and 3 layer versions (neither of these were my idea)
Dodecagonal Prism
2 Layer Square 1
Greenhill’s Dodecahedron
Greenhill’s 1
Greenhill’s 5 Layer Square 1
Greenhill’s Tetrahedron
Also the copy version I did of the Russian puzzle OLIDJUS, I used a Sqaure 1 to transform.
Hope this answers your questions. If you have any more, please post them.
As I said above, ‘scrambled pics’ to follow.
Anthony
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away
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Post subject: Posted: Mon Jun 13, 2005 8:08 am |
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Joined: Tue Oct 07, 2003 10:00 pm
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Anthony wrote: No it is not April 1st, this puzzle does exist. (I take this as a compliment).
That's what it was meant to be. It was just very similar to the Gigaminx thread  . I know you've built awesome puzzles in the past so I didn't really have doubts.
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wronginthehead
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Post subject: Posted: Tue Jun 14, 2005 8:25 am |
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Joined: Thu Apr 14, 2005 12:46 am Location: USA
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How much do you want for one of these puzzles?
I'd love to have one. I also think there could be a market for the more bizarre and interesting puzzles. Sort of a made to order site. That way there wouldn't be upfront manufacturing costs but they would still be available.
Congratulations on the Tetrahedron btw.
_________________ The first ten million years, they were the worst.
The second ten million years, they were the worst too.
The third ten million years I didn't like at all.
After that, I went into a bit of a decline.
<i>Marvin the Paranoid Android</i>
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David J
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Post subject: tetra Posted: Tue Jun 14, 2005 1:43 pm |
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Joined: Tue Mar 04, 2003 11:17 am
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Greetings Anthony,
Incredible puzzle. I was thinking that when first mixing it I would want to write down exactly what I did, but how in the world would I notate the moves?
David J
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chris_joe
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Post subject: Posted: Tue Jun 14, 2005 5:28 pm |
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Joined: Tue Apr 05, 2005 12:01 pm Location: Arcadia, California
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very nice mod ^^
i'm looking forward for the scrambled pictures.
-chris joe
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Bryan
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Post subject: Re: tetra Posted: Tue Jun 14, 2005 5:54 pm |
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Joined: Sun Jun 13, 2004 12:45 pm Location: Rochester, MN
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David J wrote: I was thinking that when first mixing it I would want to write down exactly what I did, but how in the world would I notate the moves?
Just rotate slow and clearly under a video camera?
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Carter
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Post subject: Posted: Wed Jun 15, 2005 8:14 pm |
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Joined: Sat Dec 02, 2000 8:27 pm Location: Wilmington, NC, USA
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OH MY!!! I am literallly laughing out loud at the sheer outrageousness of this puzzle! Just when I thought I was tired of the puzzle scene, Anthony knocks our socks off with this little dynamo. Wow! Thanks for making my day.
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Milan
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Post subject: Posted: Mon Jun 20, 2005 5:28 am |
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Joined: Fri Apr 26, 2002 1:31 am Location: Podebrady, Czech Republic
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Anthony
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Post subject: Posted: Tue Jun 21, 2005 1:07 pm |
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Joined: Sun Jul 21, 2002 1:07 am
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The edge length is 135mm.
This is 5mm longer than the edge length of the 3x3x3 Tetrahedron that I make.
Both dimensions result from the way the puzzles are transformed, projected out, into the Tetrahedron shape from the 'truncated core'.
Anthony
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skeneegee
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Post subject: Posted: Wed Jun 29, 2005 9:56 pm |
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Joined: Tue Jan 06, 2004 8:31 pm Location: Arvada, CO
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Believe it or not I started a Tetrahedron Square-1 and have it half truncated but had to put it aside to make Evil Twins for people with my building time.
I thought of the half twist after I had already truncated the corners and was amazed to see Anthony's creation.
The mechanisim of the Square-1 is pretty shallow under the surface of the puzzle which reallty limits the amount you can truncate which is why Greenhill's Tetrahedron is big.
Once again, very nice Anthony.
_________________ "It's like an alarm clock, WOO WOO" -Bubb Rubb
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Anthony
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Post subject: Posted: Thu Jun 30, 2005 7:10 am |
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Joined: Sun Jul 21, 2002 1:07 am
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There are only two 'face' truncations on this puzzle where it is getting close to the inner mechanism so care has to be taken with the pieces involved until they are complete. When complete (extended etc.) they are okay and do not effect playing with the puzzle in any way, it can be handled/used in exactly the same way as the original. I know it sounds a little odd truncating a face so much then extending the pieces, but believe me it was necessary. It was not just a simple matter of truncating the eight corners for instance. There are a number of edge, face and corner truncations necessary to achieve what I was after.
The overall size was determined, dictated by the projecting out from the truncated core into the Tetrahedron shape.
The dimension given in the previous posting may sound big but when you use the puzzle it is actually very user friendly and you do not notice it, like you would on a 135mm cube for instance. Must have something to do with the the 'tapering' shape. Believe me I have been turning it enough lately.
Anthony
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dblthnk84
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Post subject: Wow. Posted: Thu Jun 30, 2005 4:32 pm |
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Joined: Tue Jun 28, 2005 3:11 pm
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That is too beautiful.
I just found this site and am amazed with all of the modifications that can be done. I would have to say that this one though is my favorite so far. That has to be fun to play with.
_________________ Rubik 3x3x3: 22.94
Rubik 2x2x2: 3.81
Pyraminx: 11.32
Sqube: 14.36
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