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 Post subject: Rotabram by BRAM and OSKAR
PostPosted: Sat Mar 27, 2010 7:51 am 
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Hi Twisty Puzzles fans,

Rotabram is a Doug-Engel-style flat twisty puzzle, conceived and designed by Bram Cohen and me. Based on our earlier collaboration on Dual Circle puzzle, Bram challenged me to design a puzzle based on the same mathematical concept, but now with three circles. Rotabram is my solution to his challenge.

The puzzle is played by turning the three big yellow gears. When these are turned, the small gears are changing orientation and the black hexagons are broken. As the big yellow gears have 42 teeth and the small red gears have 6 teeth, a red gear turns effectively one tooth forward when a yellow gear is turned 60 degrees. The object is to scramble the puzzle and then to get the puzzle back to its starting state.

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

Enjoy!

Oskar
Attachment:
Rotabram v11 - prototype - view 1.jpg
Rotabram v11 - prototype - view 1.jpg [ 57.97 KiB | Viewed 1889 times ]

Attachment:
Rotabram v11 - prototype - view 2.jpg
Rotabram v11 - prototype - view 2.jpg [ 58.94 KiB | Viewed 1889 times ]

Attachment:
Rotabram v11 - prototype - view 3.jpg
Rotabram v11 - prototype - view 3.jpg [ 53.08 KiB | Viewed 1889 times ]

Attachment:
Rotabram v11 - prototype - view 4.jpg
Rotabram v11 - prototype - view 4.jpg [ 55.4 KiB | Viewed 1889 times ]

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 Post subject: Re: Rotabram by BRAM and OSKAR
PostPosted: Sat Mar 27, 2010 8:05 am 
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Joined: Fri Nov 04, 2005 12:31 am
Location: Greece, Australia, Thailand, India, Singapore.
Great puzzle and nice combination of mechanisms to achieve the "Engel" effect
for three circles. And for some reason, it reminds me of those yummy pizzas
they make in Napoli (Italy) by mainly using cheese and tomato as ingredients.

Well, anyone who is hungry for puzzles and/or food should love this one!

:)


Pantazis

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 Post subject: Re: Rotabram by BRAM and OSKAR
PostPosted: Sat Mar 27, 2010 8:17 am 
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Joined: Tue Jan 05, 2010 5:43 pm
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:shock:
Wow. That's a big puzzle.
But still, that is cool! It would certainly be a tough one to solve.

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 Post subject: Re: Rotabram by BRAM and OSKAR
PostPosted: Sat Mar 27, 2010 8:18 am 
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I am going to ask the question I bet most of us are wondering


HOW DO YOU AFFORD TO MAKE THESE PUZZLES LOL
Each one costs like 200 dollars

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 Post subject: Re: Rotabram by BRAM and OSKAR
PostPosted: Sat Mar 27, 2010 8:30 am 
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cooldayr wrote:
I am going to ask the question I bet most of us are wondering


HOW DO YOU AFFORD TO MAKE THESE PUZZLES LOL
Each one costs like 200 dollars

They sell their puzles for prices that's in the hundreds one. But he's so famous that a lot of people would be willing to buy them. I certainly think the Redicube and the Fadicube are cool, now with this puzzle addittion. Those are three of my favorite puzzles. I don't have them, though.
favorite 1. The MF8 teraminx
2. The V-cube 7
3. The V-cube 6
4. Fadi Cube
5. Redi Cube
6. Rotabram
7. Platypus

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 Post subject: Re: Rotabram by BRAM and OSKAR
PostPosted: Sat Mar 27, 2010 8:52 am 
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Joined: Tue Aug 11, 2009 3:59 pm
Location: NJ
This is an amazing puzzle, it reminds me of the enigma...

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Jhahoua wrote:
Oskar wrote:
There are three types of people: those are good at counting and those who aren't ... :-)

But that is only 2 kinds of people what is the 3rd?


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 Post subject: Re: Rotabram by BRAM and OSKAR
PostPosted: Sat Mar 27, 2010 11:58 am 
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Joined: Wed Jul 08, 2009 4:14 pm
yet another epic puzzle from Oskar and Bram :shock:
heh, i wanted to try solving it, so i made a simulation in C++.
i will try to solve it and then update this post on how it went :scrambled:

EDIT: okay, so I've tried to solve it and i must say, its allot harder then i taught it would be :scrambled:


Last edited by PixelSalt on Sun Mar 28, 2010 3:37 am, edited 2 times in total.

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 Post subject: Re: Rotabram by BRAM and OSKAR
PostPosted: Sat Mar 27, 2010 12:20 pm 
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I more Appreciate Oskar in non-rubiks like Puzzle!!! Great one for this


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 Post subject: Re: Rotabram by BRAM and OSKAR
PostPosted: Sat Mar 27, 2010 1:16 pm 
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cooldayr wrote:
HOW DO YOU AFFORD TO MAKE THESE PUZZLES LOL
Each one costs like 200 dollars

Thank you for asking. Yes, these prototypes cost a lot of money. I hope that my sales will some day break even with my prototype costs.

So if there is a puzzle of mine that you like, and you want me to continue developing new puzzles, then please buy one. You can buy puzzles as do-it-yourself kits from my Shapeways Shop or dyed, stickered and assembled samples from me directly. When you are first, then you'll buy the original prototype.

Oskar


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 Post subject: Re: Rotabram by BRAM and OSKAR
PostPosted: Sat Mar 27, 2010 2:45 pm 
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Joined: Mon Aug 18, 2008 10:16 pm
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I really like the concept of this one, although if I ever get one I'll probably color the moving parts so that they have to be matched up too.


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 Post subject: Re: Rotabram by BRAM and OSKAR
PostPosted: Tue Mar 30, 2010 3:01 am 
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Joined: Sun Feb 08, 2009 8:56 pm
Location: England, UK
Oskar wrote:
When you are first, then you'll buy the original prototype.

Oskar


You don't hold onto your prototypes?


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 Post subject: Re: Rotabram by BRAM and OSKAR
PostPosted: Tue Mar 30, 2010 12:15 pm 
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Joined: Mon Nov 30, 2009 1:03 pm
Disjunto wrote:
You don't hold onto your prototypes?

Too expensive. Most of my sales are in person. If I don't sell my prototypes, I should buy two samples of each puzzle.


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