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 Post subject: Shift Cube by OSKAR
PostPosted: Mon Jul 29, 2013 10:00 am 
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Hi Twisty Puzzles fans,

Shift Cube extends the concept of a 2x2x4 Rubik's Tower. Additional to functioning like a regular 2x2x4, there is also a shift move, which moves diagonally opposite sets of 8 cubies up and down. After the shift move, four cubies in the then middle layer can be turned as well. The puzzle is presented mid-shift, modded into a cubic shape.

EDIT: After six virtual prototypes and three physical ones, I finally got the puzzle working, see this post.

Watch the YouTube video of the new successful version.
Watch the YouTube video of the old failed version.
Buy the puzzle at my Shapeways Shop.
Read more at the Shapeways Forum.
Check out the photos below. See photos of the mechanism in this post.

Enjoy!

Oskar
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P.S. To answer my own video question, one of the new 2x2x2 Rubik's Cubes on the market has a mechanism that might solve the stability problem ...

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Last edited by Oskar on Sat Oct 19, 2013 7:13 am, edited 6 times in total.

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 Post subject: Re: Shift Cube (flawed version) by OSKAR
PostPosted: Mon Jul 29, 2013 10:13 am 
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Ohhh I like this one very much, well done Oskar!

Hopefully the problem can be resolved, but this promises to be a wonderful puzzle :)

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 Post subject: Re: Shift Cube (flawed version) by OSKAR
PostPosted: Mon Jul 29, 2013 5:36 pm 
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You've done it again Oskar, a simple idea so well designed. I am in awe of the ideas you come up with.

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 Post subject: Re: Shift Cube (flawed version) by OSKAR
PostPosted: Tue Aug 06, 2013 6:09 am 
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During 3/4 of the video I wondered where the design flaw would be.
I would be happy if all "works in progress" would look like this.


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 Post subject: Re: Shift Cube (flawed version) by OSKAR
PostPosted: Tue Aug 06, 2013 5:51 pm 
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The scrambled puzzle reminds me of liquorice allsorts. :-)

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 Post subject: Re: Shift Cube by OSKAR, success finally!
PostPosted: Sat Oct 19, 2013 2:38 am 
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Hi Twisty Puzzles fans,

Finally, after six virtual prototypes and three physical ones, I got the Shift Cube working. The issue was that pieces could fall out when the puzzle was in "shifted mode". I remedied the issue by making some grooves in the pieces and knobs onto the spherical split core. The puzzle works flawlessly now.

Watch the YouTube video of the new successful version.
Watch the YouTube video of the old failed version.
Buy the puzzle at my Shapeways Shop.
Read more at the Shapeways Forum.
Check out photos of the mechanism below. Check out photos of the built puzzle in the original post.

Enjoy!

Oskar

P.S. Konrad, please move this thread where it belongs now, namely "New Puzzles".
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 Post subject: Re: Shift Cube (flawed version) by OSKAR
PostPosted: Sat Oct 19, 2013 3:35 am 
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KelvinS wrote:
The scrambled puzzle reminds me of liquorice allsorts. :-)



Myself and others always say that about the Witeden Cuboids with their third-proportional pieces. :)

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 Post subject: Re: Shift Cube by OSKAR
PostPosted: Sat Oct 19, 2013 6:52 am 
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Well adding that small tab and groove mechanism was obvious, why didn't you do it on the first design? :lol: This shows that even the best designers can't do everything on a computer, you still need a physical object in your hands to see the problems.

This seems to be very massproducable (new word alert :shock: ), as the mech is fairly simple and it is different enough from existing puzzles to make it novel.

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 Post subject: Re: Shift Cube by OSKAR
PostPosted: Sun Oct 20, 2013 5:20 am 
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Gus wrote:

This seems to be very massproducable


Yep, I was just saying the same thing (well, not that exact word...) myself before reading Gus' comment. It would be popular I'm sure, people would love to see it, and the mechanism isn't too complex. Make it happen! :D

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 Post subject: Re: Shift Cube by OSKAR
PostPosted: Sun Oct 20, 2013 6:40 am 
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Location: In my study drooling over my puzzle hoard - Precioussssss!
This needs to be mass produced! Calvin? Give Oskar a call! I want one of these for an affordable price!

Pretty please? :lol:

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 Post subject: Re: Shift Cube by OSKAR
PostPosted: Sun Oct 20, 2013 6:59 am 
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If only Oskar could be mass produced... :? :lol:

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 Post subject: Re: Shift Cube by OSKAR
PostPosted: Tue Oct 22, 2013 10:22 am 
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Oskar wrote:
EDIT: After six virtual prototypes and three physical ones, I finally got the puzzle working, see this post.

Watch the YouTube video of the new successful version.
Watch the YouTube video of the old failed version.
Being a mechanism guy I love seeing how mechanisms evolve.

(1) Is the failed version in the above video the first or second physical prototype?
(2) Assuming the answer to (1) is "the first", what was the second mechanism that you deemed print worthy which also failed? Did it fail the same way?
(3) What issues were spotted with the 3 virtual prototypes which weren't printed that made you deem them not worth printing? I assume something was obviously an issue once you had the 3d models to look at which wasn't obvious while you were designing them.

To me there is an art that is interesting to watch in this design process and this looks like a good example. Its also good for other designs to know what works and what doesn't.

And I agree with others... this appears to be a puzzle worthy of mass production. It doesn't appear overly complicated (from a production point of view, not that I have an idea how to solve it) and its very original. Both should be big positives on that front.

Thanks for sticking with this till you found a mechanism which worked,
Carl

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 Post subject: Re: Shift Cube by OSKAR
PostPosted: Wed Oct 23, 2013 1:43 pm 
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wwwmwww wrote:
Is the failed version in the above video the first or second physical prototype?
I have never presented the very first prototype. It had 48 tiny edges that just sprinkled out of the cube, even before an exploding turn. It also had an alignment issue. So the videos that you have seen are prototypes no.2 and no.3.
Puzzlemad wrote:
This needs to be mass produced! Calvin? Give Oskar a call! I want one of these for an affordable price!
Thank you for the compliment. You have my commitment that I will try and get and all of my puzzles mass-produced at an affordable price. However, if you really like my puzzle then please do not wait, but just save up to buy a 3D-printed sample. Statistically speaking, you will have a 95% chance that you will add a permanently unique puzzle to your collection, one that you will enjoy solving and one that your friends want to play. Paradoxically, if nobody would buy the 3D-printed samples while waiting for a mass-produced version, then most likely that mass production is not going to happen. Popularity of the 3D-printed puzzle is a good indicator for popularity of the mass produced version.

Oskar

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