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 Post subject: Hexaphobic 3D Printed
PostPosted: Sat Oct 05, 2013 8:50 am 
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Location: Jarrow, England
Well, some time ago I completed my SketchUp design for the 3D printed add-on parts for a 6x6x6 cube to make a Hexaphobic. When I found out how much they would cost, I decided to put the project on hold for a while. And then Shapeways announced a 20% discount offer, and I couldn't resist, so I ordered them:
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There are a total of 152 pieces. I dyed them using Rit dye + white vinegar. Actually, my normal pan was not big enough for all of the parts, so I had to do it in two batches. I carefully measured the amount of dye and water, and also controlled the dyeing time, to make sure that the two batches would be the same shade of black. You may laugh, but although pieces look "black" when viewed individually, if you put them next to each other it is easy to spot different batches unless you are careful when dyeing them.
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Here I have started the assembly, and you can see my patented "using strips of paper to stop any superglue run-off getting too far between the cube parts" method :lol:
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As more pieces are added I remove the paper from previously glued ones, and clean up any glue overspill and make sure the puzzle layers still turn OK.
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Here, I have completed one edge and things are looking good.
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Nearly done, only 5 extensions left to glue on.
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As usual I got Oliver to make the stickers from a template I provided.
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As you can see, I made the puzzle slightly pillowed to reduce the overall size and minimise the cut depth into the corners of the donor cube. The 6x6x6 was a ****** which turns very well out of the box, but I lubed it using Traxxas 10K and tensioned it to absolutely minimise any free play between the layers. This does make it a little stiffer to turn, but once you add the extensions this is important so that there is only the smallest possible movement to reduce catching.
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File comment: Hexaphobics
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Here is a family portrait of the -phobics I have made. I would have loved to make the Hexaphobic flat, but it would have just been too big (expensive!).

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 Post subject: Re: Hexaphobic 3D Printed
PostPosted: Sat Oct 05, 2013 9:26 am 
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Joined: Thu Sep 17, 2009 6:07 am
Location: Germany, Bavaria
Very beautiful! :)

I hope you are not getting phobic. Nonaphobic, Hexaphobic ... What is next?

The trick with the paper is fine.

I was not so careful, when I glued this one Image So, I had some problems until it turned again.

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 Post subject: Re: Hexaphobic 3D Printed
PostPosted: Sat Oct 05, 2013 10:53 am 
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Joined: Mon Feb 27, 2012 10:57 am
Location: In my study drooling over my puzzle hoard - Precioussssss!
Unbelievable! It is gorgeous - I am quite jealous! :mrgreen: :mrgreen:

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 Post subject: Re: Hexaphobic 3D Printed
PostPosted: Sat Oct 05, 2013 3:21 pm 
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Joined: Tue Nov 17, 2009 4:38 pm
Location: Hungary, Budapest
Wow!
It is a beast! But a beautiful beast!

I hope you will be there at the DCD, and I'll have the chance to try it!

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 Post subject: Re: Hexaphobic 3D Printed
PostPosted: Sun Oct 06, 2013 7:02 am 
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Joined: Mon Aug 02, 2004 7:03 am
Location: Koblenz, Germany
As beautiful as the pillowed original.
Very nice.


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 Post subject: Re: Hexaphobic 3D Printed
PostPosted: Sat Oct 12, 2013 5:19 am 
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Joined: Sun Mar 15, 2009 12:00 am
Location: Jarrow, England
I've added the Hexaphobic to my Shapeways shop (and my signature :D ).

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 Post subject: Re: Hexaphobic 3D Printed
PostPosted: Sat Oct 12, 2013 5:41 am 
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Joined: Sun Jul 14, 2013 11:10 pm
Is the size of these extensions totally necessary? I always remark on just how giant they seem to be

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 Post subject: Re: Hexaphobic 3D Printed
PostPosted: Sun Oct 13, 2013 6:26 am 
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The overall size of the puzzle is dictated by how much of the donor cube you can cut off the corners without making the mechanism unstable or even just fall apart, as well as the degree of curvature you want. If this puzzle was flat faced like the 4x4 and 5x5 versions then it would be much bigger.

As an aside, I've been experimenting with the designs for a nonaphobicand a decaphobic using Autodesk Inventor. Since this is a parametric 3D design system, I can change various critical dimensions (curvature, curve centre distance and corner cut depth) to see how it effects the look of the finished puzzle, and it is a complicated relationship. It is very easy to "break" the puzzle.

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 Post subject: Re: Hexaphobic 3D Printed
PostPosted: Sun Oct 13, 2013 5:25 pm 
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These are the things that a non-modder doesnt think about when demanding an economic product I guess. Very cool insight

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