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 Post subject: SuperX Mechanism
PostPosted: Thu Oct 13, 2005 4:11 am 
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Location: Palerang Shire, NSW, Australia
I decided to post my SuperX mechanism that I worked out last year. I need a project over the holidays and I guess this is it. I'm not being too precious about the design, ie not going to bother with patents and whatnot. All pics are 1:1 size meaning that the wedges are huge and the sliders are small.

Hopefully my reputation of being as slow as a wet week doesn't apply this time :wink:


Attachments:
File comment: You have to click this one because it's bigger.
superx-wedge.jpg
superx-wedge.jpg [ 26.92 KiB | Viewed 2009 times ]
superx-caps.jpg
superx-caps.jpg [ 18.68 KiB | Viewed 5006 times ]
superx-2x2x2-block.jpg
superx-2x2x2-block.jpg [ 10.44 KiB | Viewed 5007 times ]
superx-2x2x2-sliders.jpg
superx-2x2x2-sliders.jpg [ 8.96 KiB | Viewed 5006 times ]

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 Post subject:
PostPosted: Fri Oct 14, 2005 8:57 am 
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Wow Wayne,
That looks cool! Are you going to actually implement it into a physical puzzle?
Vadim


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 Post subject:
PostPosted: Fri Oct 14, 2005 1:52 pm 
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D**n it I want one. I'd kill for one. But I'm a poor college student and can't afford the materials necessary to make one nor do I have any experience so I'd need alot of materials.

It's got 24 pieces like a rubiks cube but all 24 can change position and orientation so I'm fairly sure it has some parity issues. I have'nt played with it to much in puzzler yet but the amount I did it seemed quite difficult.


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PostPosted: Fri Oct 14, 2005 2:42 pm 
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I did not have time to think more about this, but... Wouldn't a 2x2x2 mod be possible? Rubik's 2x2x2 is moderately small for this purpose, and very durable.

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 Post subject:
PostPosted: Fri Oct 14, 2005 5:28 pm 
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Aleksey wrote:
I did not have time to think more about this, but... Wouldn't a 2x2x2 mod be possible? Rubik's 2x2x2 is moderately small for this purpose, and very durable.


It's possible. You would have to modify the 2x2x2 by extending a post from each of teh corners so that a piece can rotate around it. Alignment of this post obviously would be crucial. That's probably the trickest step.

Hmm... I'll have to add it to the list of things to try.

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 Post subject:
PostPosted: Sat Oct 15, 2005 4:40 am 
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Location: Marin, CA
Yes, that's a good puzzle. The main mechanical difficulty it's likely to have is that rotate about a corner tends to push the pieces farthest from the center of the slice outwards, making the puzzle jam. It doesn't help that the plane those pieces share with the ones closer to the center of the slice isn't orthogonal to the cutting plane, so the central pieces tend to ride up on the outermost ones. This problem could be fixed by having the two pieces which share an edge be held together by a hidden piece under the surface, but doing that would involve mixing the 2x2x2 and dino mechanisms more integrally, and require reworking the entire puzzle.


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 Post subject:
PostPosted: Sun Oct 16, 2005 3:24 am 
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Hi Bram,

Not sure I follow you 100% but I did fail to mention that three of the slider pieces will be locked into place with glue around one the purple pieces. Cheaper than making an extra part. The good thing is the 2x2x2 core has to be made first and I'll catch the problem if it arises before moving on.

Everything seems fine in 3d simulation. :)

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 Post subject:
PostPosted: Sun Oct 16, 2005 7:59 am 
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Very exciting!


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 Post subject:
PostPosted: Sun Oct 16, 2005 10:00 pm 
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It's so cool!
Does this puzzle's movement like Dino + 2x2x2 cube, doesn't it ?

The center 2x2x2's three sliders are needed to fix one parts, and other nine sliders are freely likes Rubik's pocket cube (2x2x2).

But I'm worrying about corner's rotation likes Dino.
The 2x2x2's cross sections are divorced completely, then perhaps the outer parts can't be rotate together easily when corner's rotation.
Maybe, there are needed any fixation.

Of course, I hope your success. :wink:

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 Post subject:
PostPosted: Sun Oct 16, 2005 10:14 pm 
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Yes, it'll be 2x2x2 movements + dino movements. Got my cutter tool yesterday and did some tests. Might go back and adjust some pieces so that I can make the centre core larger.

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 Post subject:
PostPosted: Mon Oct 17, 2005 3:16 pm 
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Don't know what it look like inside but I happen to like me rubik's harry potter cube much better than the standard 2x2x2 rubik's the mech is significantly more stable and strong. Don't know if it could be used but if so they are pretty cheap. Like $2.00 Cheaper than the standard 2x2x2


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 Post subject:
PostPosted: Mon Oct 17, 2005 5:49 pm 
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2x2x2 mechs are always a funny thing. The best I ever found was the eastsheen large one. The Rubik's 2x2x2 is actually alittle non-symetrical and feels pretty bad. I wanted to make my own anyway just for the challenge and originality and to if a "less parts" 2x2x2 could be better.

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 Post subject:
PostPosted: Tue Oct 18, 2005 9:21 am 
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Yeah the only reason I mentioned the potter cube is I noticed it seems to have a really nice mech just don't know the first thing about how to take it apart


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 Post subject:
PostPosted: Sat Oct 22, 2005 11:44 pm 
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Wayne, the 2x2x2 slices should work great, it's the dino slices which might potentially have problems. Basically the three 'inner' pieces should turn without problem, but the three 'outer' pieces might tend to get pushed outwards and wedged up against rather than properly pushed around. I believe this is the problem which hidetoshi was referring to as well.

The problem won't show up in simulation, unless the simulation includes a lot of fiddly details about surface friction and manufacturing imperfection. If you can manage to produce perfectly aligned frictionless pieces the real thing should work perfectly as well ;-)


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 Post subject:
PostPosted: Sun Oct 23, 2005 12:52 am 
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wHack wrote:
Yeah the only reason I mentioned the potter cube is I noticed it seems to have a really nice mech just don't know the first thing about how to take it apart


The Potter mech is made of a smoother plastic than the later DIY or stickered super 2x2x2's so you are correct. Not sure what prompted the change, maybe a way to trim costs using less precise parts with more tolerance for dimensional differences. That would explain why there's a wide disparity in quality from cube to cube.

I've actually dissected a Potter and a DIY super 2x2x2 (i.e. ruined by cutting up) and took a bunch of pictures for an article I was going to write about the differences between the two. Ultimately a combination of "better things to do" and "things I need to do" conspired together and killed that idea.

Basically it is highly unlikely to disassemble a super cube by "pulling apart" the puzzle without breaking something. At least I've never pulled apart a super 2x2x2 without breaking it and believe me when I say I've taken apart a lot. :)

The assembly process relies on a plastic plate that is glued into place, essentially making access to the disassembly screw pretty much impossible.

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 Post subject:
PostPosted: Fri Oct 28, 2005 2:15 am 
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Thanks guys. Yes, Bram I'll have to take a good look at the movements of each to fully see it. The outer wedges will be solid but I think I see what you mean.

Anyway, just got back today and my progress over the week was slow but pretty well worth it. I managed to construct one side of the inner 2x2x2 piece and one groove slider. All photos are taken of course and I'll put together a diary page.

One thing I did learn about using plastic sheeting is that you need very sharp tools and you also need very precise metal protracters, set squares, etc. Standard student gear is so not worth it when you are working to exact mm accuracy.

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 Post subject: Article online
PostPosted: Mon Oct 31, 2005 8:03 am 
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Posted my Article / Progress notes at: http://waynejohnson.net/superx.asp. That way people can hassle me when I get slack.

Hope you all enjoy the photos.

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 Post subject: Re: Article online
PostPosted: Sat Nov 05, 2005 2:31 am 
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Very cool tutorial, Wayne. You make it look so easy! It's certainly a good confidence builder for us newbies out there. One question, though... where did you get the compass cutter? If I can get my hands on one of those, I'd be pretty much set!


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 Post subject:
PostPosted: Sun Nov 06, 2005 2:03 am 
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Found one... first place I looked. It was at a place called Michael's, a hobby/craft megaconglomerate. For anyone who's interested, they're probably available at any local mom and pop hobby shop as well. I also found some other puzzles to modify at a mall booth, of all places. I ended up paying through the nose for them, but at least I got my hands on them NOW instead of waiting weeks for delivery. I guess now the only remaining question is which insanely cool idea to develop first... L8r.


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 Post subject:
PostPosted: Mon Nov 07, 2005 7:40 am 
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Hi Tim,

I was going to say this place: http://www.riotclub.com/ to give you an idea but I guess I don't need to. :)

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 Post subject:
PostPosted: Mon Sep 25, 2006 1:49 pm 
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Location: Gothenburg, Sweden
Found this tread while searching for a link to some basic stuff to give to a person who asked for such. (how to take a 3x3x3 apart... found it at Tons page)

So, how is it going with this one?


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 Post subject:
PostPosted: Mon Sep 25, 2006 5:43 pm 
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ehh... like all my stuff I start out strong and then I pick up web development work and thats the end of me. Sorry to say no progress at the moment but its still in my mind.

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