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May 23, 2013, 06:32:19 AM
Cubicdissection.com ForumsMain ForumGeneral DiscussionTriacontahedrons
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Author Topic: Triacontahedrons  (Read 7456 times)
Stephen Chin
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« on: August 22, 2008, 09:55:55 AM »

Hi Guys, I'm back from IPP .Had a wonderful time in Prague, Dubai and Bangkok with the family.I am now paying for my sins.
I would love any info about disecting this polygon. Has any attempts been made on a 2 tier split , similar to Coffin's 2 tier dodecahedron ( many thanks to Mark's patience I am nearly finishing a prototype of this)
I believe it can be done, using the scrambled Jupiter as the outer shell with its 2 x 6 pieces of 5.The 2 tier double layered inside,with the 5 finger Chinny inside that, ultimately ending with a triacontahedron trapped in a sphere.Have I lost you there??
Bit like a box in a box in a box. OK , OK give me month and I'll post a pic
Closest single layer split I have seen is Coffins design72,which Bernhard has, a 10 piece of 6. I am still hoping for an open view of the pieces from him
I believe Wayne Daniel use to sell some Triacontahedrons in different splits
I manage to sketch Pelikans 4 piece co ordinate sliding  one at IPP, which made my day. Any pics or suggestions??
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Eric Fuller
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« Reply #1 on: August 22, 2008, 10:08:38 AM »

Can't help you much other than to remark that Wayne's triconts were not splits - they were fully solid in the middle and came apart in a variety of interesting ways.  So you're probably in the clear doing a finger disassembly type.

Nice to meet you at IPP and thanks again for the trades...still having fun with them!
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« Reply #2 on: August 22, 2008, 10:20:49 AM »

Welcome home Stephen!!
I won't be much help either, but have you looked at Wayne Daniel's website, he still has pics of all his designs Undecided
http://www.waynedaniel.net/index.htm
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Stephen Chin
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« Reply #3 on: August 22, 2008, 10:37:16 AM »

Thanks Guys,
This will make a great show n tell for next years IPP, if I ever get it right.
Wayne also makes a great 10 piece Icosahedron , where you spin it to open the pieces.
And it took me a year to figure out his 4 piece Rhombic Icosahedron. Manage to get a reproduction of his 5 in 1 Platonic solids in Prague..Now hes one clever dud that knows his polygons
Re 5 in 1, Bernhard's got a puzzler that makes these in paper version using Yoshimotto cube folds, its a wow.
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Mark McCallum
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« Reply #4 on: August 22, 2008, 11:03:38 AM »

Stewart Coffin made one two-tiered triacontahedron and there is a picture of it on puzzleworld's website. Here is the link http://www.puzzleworld.org/PuzzleWorld/toc.asp?t=_des/sc001.htm&m=des/sc000.htm Then navigate to Design Number 72 (Two-Tiered).


What do the pieces look like? Unknown, at least to me.

I see a large variety of ways you could do this though.  You could use a Des 72 on the inside, then cover the outside with a five spoked piece which would be the dissected faces of five sides. Much like the Two tiered R-D, the innner and outer layers would be cut in opposite directions. The outside tier could also be the dislocated Jupiter with its pieces projected onto the faces of a triacontrahedron. Any outer shell pieces would have to be deeply truncated.


You could also use a Jupiter for the outer tier. Or Dislocated Jupiter for the outer tier.
 
The inner tier could be a Saturn puzzle, that has its pieces projected down onto the faces of the triacontahedron itself.

The inner tier could be Stewart's Venus puzzle (#160).  Although the more sequential nature of it may cause difficulties.

The inner tier could be Stewart's Sphinx puzzle, that has its pieces projected down onto the faces of the triacontrahedron.  

The inner layer could be the dislocated Jupiter projected down.  Which would basically be four spokes from the center and one spoke off of one of the end of those four, all identical.


Then you could get into the fact that the inner tier pieces do not necessarily need to be free standing on their own first before the outer layer is added.  This allows for interior pieces in configurations that would fall apart on their own but the outer pieces are the "glue" that hold them together.

I don't think you would be able to incorporate your Chinnyhedron unless it is just a cover for the whole two tiered puzzle or on the inside as a box within the box.  If it were physically attached, then the whole puzzle would be a two piece puzzle.  

I will send you the scanned images for Des72 and Venus which show the pictures of the pieces.  Can also send the Saturn and Sphinx images if you need them.

So above I've listed 4 possible outer layers and 4 possible inner layers, so there are 16 different varieties.  If you used any of Wayne's puzzles for the interior then there are even more varieties.  In any case, the overall puzzle would be a huge pain in the ass to make and get right.  Good luck in your endeavors.


I would like to see your drawings of Pelikan's 4 pc...
« Last Edit: August 22, 2008, 11:15:47 AM by Mark McCallum » Logged
Stephen Chin
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« Reply #5 on: August 22, 2008, 11:47:38 AM »

Hey Mark'

We are on the same wavelength, lucky you

Outer shell pieces can be like the split pieces of Coffins design72, or be encased by the Jupiter. Balancing the wood colours with 5 star patterns differcult
KISS rule is good, keep it simple, otherwise the polygon will be 2 feet in diameter, 3 or 4 layers , finnishing with the traped T inside the sphere. Box in a box, all Triacontahedrons shapes except for the 2 tier one

Email me info re Des72, spinx and saturn,I have no idea, love to know them.  Presume you've made these yourself, love to see disected 1/2 open views. I only made the Jupiters and 6 woods ones. Best if I send you Pelikans version, once I make them, promises , promises. Made of the 2 type pieces in different positions, like the rhombic Icosahedron, jig need to cut those awful acute angles.
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Mark McCallum
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« Reply #6 on: August 22, 2008, 12:18:03 PM »

Lucky me....Lucky you!!! Grin Grin Grin

I've made Jupiters and one triacontrahedron where I projected all of the Sphinx pieces onto the surface of a triacontrahedron.  Makes the Sphinx puzzle easier to solve and look for alternate solutions.  At least for me.

I think you could make a two tiered design that would be 5 or 6 inches across or slightly larger if using a Jupiter outer shell. 

After making the two tiered RD, I don't know if I would want to tackle one of these, but as you can see from my previous post, I have given it some thought before.

I'll scan and email the images to you by tomorrow.
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Stephen Chin
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« Reply #7 on: September 04, 2008, 12:41:32 PM »

Here tis,,

First pics of prototype TTT (two tier triacontahedron), 120 pieces, 12 dissimilar pieces, 2 halves, then opens in pairs.

Calling it Uranus, a fitting name cause its a PITB to make

Nestled set will have, in 6 woods, Jupiter, TTT, the Chinny  that opens with 5 fingers,and a sphere with a trapped Triaconta inside. Total 211 pieces

Phew, thats a mouthful,,,,get it ,,,mouthful,,,,,call it The Chinny Chin Chin set
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Stephen Chin
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« Reply #8 on: September 04, 2008, 12:46:03 PM »

Opps, more pics
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Canuck
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« Reply #9 on: September 04, 2008, 12:52:19 PM »

Wow!!!!!!!!!!!!!!!Spectacular achievement, I tip my hat to you 'Sir Stephen'! Shocked Shocked Shocked Shocked Shocked Shocked
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Stephen Chin
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« Reply #10 on: September 04, 2008, 12:53:10 PM »

I'll get this pic transfer right one day
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Mark McCallum
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« Reply #11 on: September 04, 2008, 01:37:35 PM »

Who is the sneaky bugger now?

You're a madman.  Are you sure you didn't find your table saw?  I can't imagine tackling this puzzle without it.  Great job!  Thanks for sharing!!

I told him he should call it Pain in Uranus.

Can you give us an idea of its size?
« Last Edit: September 04, 2008, 01:41:01 PM by Mark McCallum » Logged
Robert Yarger
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« Reply #12 on: September 04, 2008, 01:42:50 PM »

Looks Like a geode puzzlebox I was working on in the past, but far superior to any of my prototypes.  I never could get that stupid thing to work right anyway.  Glad that someone out there could finally make it work.  Great job!!!  I feel intimidated.   
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Johan Heyns
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« Reply #13 on: September 04, 2008, 01:49:21 PM »

Very Nice Stephen, I'll leave this angled and skew stuff to you and Mark.  Grin

I've generated enough firewood now!
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Canuck
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« Reply #14 on: September 04, 2008, 01:52:19 PM »

Okay, let me get this right, the finished one will have a set of 6 nested?  That sounds like unchartered territory to me Shocked
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