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Messages 307 - 336 of 653   Oldest  |  < Older  |  Newer >  |  Newest
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307
Very nice. It's so easy to get lost in the 6 sided version it's useful to have a 3 sided one to play with to learn from. Scott ... From: robin_moseley...
Scott Sherman
loki3s
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May 3, 2007
3:44 am
308
Ok, I will reply to my own question. Actually the various theory articles cover this question for the hexaflexagons. Here is an interesting table: faces...
robin_moseley
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May 3, 2007
3:44 am
309
The correspondence between point and edge flexagons isnĒt as direct as I was expecting. You canĒt necessarily create a single stack point flexagon from an...
Scott Sherman
loki3s
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May 3, 2007
3:44 am
310
The attached interim report on dodecaflexagons summarises the results of my investigations into their dynamic properties. It complemnets some other revent...
LES POOK
toppingleslie
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May 3, 2007
3:45 am
311
Scott I'm not sure how the point square flexagon with face numbering 1/2, 7/6, 3/4, 1/8, 5/6, 3/2, 7/8, 5/4 should be assembled. Can you elucidate please. I'd...
LES POOK
toppingleslie
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May 5, 2007
3:37 pm
312
Since it was published in 2003, a few errors have come to light in my book 'Flexagons inside out'. These have either been brought to my attention by fellow...
LES POOK
toppingleslie
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May 5, 2007
3:37 pm
313
Les, Your interim dodecaflexagon report has a lot of interesting detail in it. The more I learn of the properties of this flexagon, the more I like it. I'm...
robin_moseley
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May 5, 2007
3:38 pm
314
Yes, thatĒs a tricky folding. Typically you create a flexagon by folding adjacent faces together, hence the adjacent pairs of numbers that always appear in...
Scott Sherman
loki3s
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May 6, 2007
6:57 pm
315
If you like the dodecaflexagon, you’ll also like the decaflexagon. It has 10 triangles per side and folds into a pentagon. You can use a hexaflexagon style...
Scott Sherman
loki3s
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May 7, 2007
4:34 am
316
Scott Thanks, I got the point flexagon working first go, and agree that there is no edge flexagon equivalent. My statement that it is always possible to...
LES POOK
toppingleslie
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May 8, 2007
3:39 am
317
Interleaved Point Flexagons And thick and fast they came at last, And more, and more, and more. Lewis Carroll (Charles Dodgson), Through the Looking Glass. ...
LES POOK
toppingleslie
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May 10, 2007
4:13 am
318
The penta-dodeca flexagons have some new twists. I have created a net for the five sided version of the dodeca flexagon. This turns out to be a fascinating...
robin_moseley
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May 10, 2007
4:14 am
319
IĒve got an interesting new set of flexagons (well, new to me at least). These have 9 triangles meeting in the center so IĒll refer to them as the...
Scott Sherman
loki3s
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May 11, 2007
3:26 am
320
"All hopping through the frothy waves, And scrambling to the shore." --continuing Les's quote Finally catching up on these messages after frantically approving...
Ann Schwartz
annschwartz101
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May 11, 2007
3:39 am
321
I understand that at least one member was unable to open the attachment containing my interim report on dodecaflexagons. The report has now been uploaded to...
LES POOK
toppingleslie
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May 12, 2007
8:33 pm
322
Nice analysis, Les. Zigzag strips seem to be good ones to analyze since they essentially mean the hinges travel around the polygon. At first it’s...
Scott Sherman
loki3s
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May 13, 2007
5:06 pm
323
Scott, I've reached some similar conclusions by a different route. It's nice to see them confirmed. I realised, after posting my note, that regular star...
toppingleslie
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May 17, 2007
10:49 pm
324
We recently discussed multiple numberings for the same net that lead to flexagons with different state diagrams. Robin Moseley, on flexagon.net, takes this a...
Scott Sherman
loki3s
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May 19, 2007
3:05 am
325
... vocabulary: what you call a net I woulod call a frieze; likewise I would call the face numbering a frieze code, consisting of three lines; a sign sequence,...
mcintosh@...
hxvxmcintosh
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May 20, 2007
5:02 am
326
Dr. McIntosh has a number of interesting comments. I will admit to being a little casual with the terminology on my website. I agree that the terms; frieze,...
robin_moseley
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May 20, 2007
5:13 pm
327
ItĒs intriguing that you point out one of those numberings generates a knot. I assume there are many others, though obviously not all interleave foldings are...
Scott Sherman
loki3s
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May 21, 2007
6:08 pm
328
... I don't know of a *really* good way. The problem is the proliferation of vertices as one moves outward from the root in a Cayley tree. A simple hexagonal...
mcintosh@...
hxvxmcintosh
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May 21, 2007
6:09 pm
329
... I think I see the confusion in my traversal diagrams. They represent traversing the flexagon from one side only. So starting with Monday on top and...
robin_moseley
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May 22, 2007
4:32 am
330
Recent postings regarding various flexagons have raised some interesting issues, and I have the following comments. Notation Notation is always a problem in...
LES POOK
toppingleslie
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May 22, 2007
11:56 pm
331
... I am not sure as to which holes. Long ago we used IBM cards to make flexagons, since the size was convenient and they were made from rag paper so they...
mcintosh@...
hxvxmcintosh
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May 23, 2007
12:00 am
332
... Here I thought that was deliberate, a cute alternative way of using up seven symbols having a well established order. However, the nice sequence is spoiled...
mcintosh@...
hxvxmcintosh
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May 23, 2007
12:04 am
333
Ah, I see. IĒve been concentrating more on the case when an interleave folding is required since this is what seems to be unique to point flexagons. With...
Scott Sherman
loki3s
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May 24, 2007
2:45 am
334
... I do not like to show my age, but I also made a lot of flexagons back in the late 70s with IBM cards. They did not look very fancy, but they worked. ... I...
robin_moseley
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May 24, 2007
2:45 am
335
Your discussion below is does bring up a lot of good ideas on creating more interesting frieze codes. I will take this into consideration on some of my next...
robin_moseley
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May 24, 2007
2:46 am
336
Les asks the intriguing question of whether it's possible to use his "interleaf flex" to transform point flexagons between all the possible numberings for a...
Scott Sherman
loki3s
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May 24, 2007
2:46 am
Messages 307 - 336 of 653   Oldest  |  < Older  |  Newer >  |  Newest
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