For general discussion of polyhedra, not necessarily Stella-specific.
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Edge-Transitive Polyhedra
Replies: 10
by
Gordon » Sun Aug 28, 2022 2:20 am
One can find a lot of things written about face- and vertex-transitive polyhedra, especially regular-faced ones. There is not much on edge-transitive...
- 10 Replies
- 35539 Views
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Last post by Gordon
Tue Aug 27, 2024 4:18 am
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Near-Miss Johnson solids
by
Wagyx » Fri Aug 02, 2024 7:06 pm
Hello there,
I have made a web page about near miss Johnson solids where I am collecting models made by people across the internet.
The models are...
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- 1834 Views
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Last post by Wagyx
Fri Aug 02, 2024 7:06 pm
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- 12 Replies
- 55381 Views
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Last post by robertw
Fri Feb 23, 2024 1:40 pm
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- 4 Replies
- 35595 Views
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Last post by Ulrich
Tue Dec 05, 2023 5:54 pm
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the 59 stellations of the icosahedron
Replies: 2
by
jacpot » Sun Dec 03, 2023 9:45 am
Hello everyone,
I am starting to manufacture the 59 stellations of the icosahedron.
I notice inconsistencies in the numbering of the stellations,...
- 2 Replies
- 13654 Views
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Last post by jacpot
Sun Dec 03, 2023 2:46 pm
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- 0 Replies
- 30300 Views
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Last post by Wagyx
Sat Aug 26, 2023 3:02 pm
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Miller's Monster
Replies: 16
by
oxenholme » Wed Dec 09, 2009 12:57 pm
I made it out of white cartridge paper back in the 60s.
I'm thinking of making it again, but this time in colour. Presumably six colours for the...
- 16 Replies
- 69972 Views
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Last post by robertw
Fri Jan 06, 2023 2:30 pm
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- 8 Replies
- 31444 Views
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Last post by guy
Mon May 02, 2022 11:53 am
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Possible Wenninger Erratum
Replies: 3
by
TomF » Fri Jan 14, 2022 9:27 pm
I just completed a model of the great icosahedron using the directions in Polyhedron Models. There appears to be a mistake in line (2) of the color...
- 3 Replies
- 19091 Views
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Last post by guy
Sun May 01, 2022 4:40 pm
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- 3 Replies
- 17949 Views
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Last post by robertw
Fri Dec 24, 2021 6:54 am
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What is this Polyhedra called.
Replies: 7
by
eligius1427 » Sun Oct 17, 2021 10:15 pm
Hello, I found this toy and am curious what geometric form it is called. It is essentially 6 5-pointed stars interwoven. At first I thought it was a...
- 7 Replies
- 23619 Views
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Last post by eligius1427
Sun Oct 31, 2021 3:33 pm
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- 27 Replies
- 74295 Views
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Last post by Ulrich
Thu Sep 30, 2021 7:53 am
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Sharpohedron
Replies: 18
by
marcelteun » Wed Mar 10, 2021 10:54 am
Hi
Some time ago George Hart posted a polyhedron on Instagram and some time late, since he got some questions, he made a little video, which can be...
- 18 Replies
- 57780 Views
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Last post by marcelteun
Thu Apr 01, 2021 5:31 pm
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New Uniform Polychora
Replies: 15
by
Mecejide » Thu Oct 01, 2020 12:59 am
Recently, two new uniform polychora were discovered by someone on the Higher Space Forum named “_Geometer”. They both have 360 tetrahedra, 240...
- 15 Replies
- 50193 Views
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Last post by robertw
Sun Jan 31, 2021 1:07 pm
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Heptagons
Replies: 11
by
marcelteun » Mon Sep 30, 2019 10:14 am
Some of you might know that I am interested in heptagons. The background for this interest is that if you ignore polyhedra with prism and anti-prism...
- 11 Replies
- 35710 Views
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Last post by senkoquartz
Sat Oct 24, 2020 7:30 pm
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What are your favorite polyhedra?
Replies: 5
by
senkoquartz » Sat Sep 19, 2020 9:44 pm
My #1 is the octahedron (perfect)
Some of my favorites are the great rhombicuboctahedron and great deltoidal icositetrahedron (very deep and very...
- 5 Replies
- 23657 Views
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Last post by marcelteun
Mon Oct 05, 2020 1:48 pm
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- 7 Replies
- 26127 Views
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Last post by senkoquartz
Mon Sep 28, 2020 6:02 am
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- 17 Replies
- 51136 Views
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Last post by marcelteun
Mon Aug 17, 2020 8:49 am
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Polyhedral Chess Set
Replies: 5
by
Nordehylop » Sun May 04, 2008 7:31 pm
I had the idea a while ago of building a chess set with the regular polyhedra as the pieces. Only one problem: six chess piece types, five regular...
- 5 Replies
- 42311 Views
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Last post by senkoquartz
Thu Aug 06, 2020 9:58 am
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Gilson: Polyhedra - A New Approach
Replies: 20
by
Peter Kane » Thu Sep 27, 2012 3:41 pm
Noticed a new book on Amazon the other day, so dipped into my piggy bank. Its by Bruce R. Gilson and the new approach is to consider polyhedra from...
- 20 Replies
- 102874 Views
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Last post by kohli149
Tue Jul 28, 2020 9:19 am
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Puzzle: count the cubes!
by
robertw » Sat Apr 04, 2020 4:41 am
I put together a little puzzle, to count intersecting cubes. You can test your answers and I just added hints in the form of colours.
Let me...
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- 41254 Views
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Last post by robertw
Sat Apr 04, 2020 4:41 am
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Cundy & Rollett
by
Peter Kane » Fri Mar 13, 2020 5:19 pm
I was browsing through some old posts in this section, when I came across a reference to Mathematical Models by Cundy & Rollet. A little later, I was...
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- 41726 Views
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Last post by Peter Kane
Fri Mar 13, 2020 5:19 pm
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- 0 Replies
- 41628 Views
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Last post by metachirality
Sat Dec 21, 2019 12:04 am
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Compounds of Cubes & Tetrahedra
Replies: 8
by
marcelteun » Thu Feb 14, 2008 1:48 pm
I understand that it is not straightforward to create compounds in Stella (I don't use Stella myself, yet). Therefore I thought that Stella users...
- 8 Replies
- 57436 Views
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Last post by marcelteun
Tue Oct 08, 2019 8:53 am
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- 8 Replies
- 33679 Views
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Last post by robertw
Wed Oct 02, 2019 7:18 am
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Solved twisty puzzle
Replies: 5
by
robertw » Sun Feb 10, 2019 3:49 am
After sitting scrambled on my shelf for years, I finally figured out how to solve this beautiful puzzle! Seen here sitting on the page of scribbles...
- 5 Replies
- 27504 Views
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Last post by Ulrich
Mon Feb 11, 2019 5:25 pm
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New Torus
Replies: 9
by
ndl » Thu Nov 29, 2018 3:31 am
I found a new interesting equal-edged torus today by excavating two J92's out of an icosidodecahedron
ID-J92 Torus.jpg
Has anyone ever made this...
- 9 Replies
- 36613 Views
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Last post by ndl
Thu Dec 20, 2018 2:54 am
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- 3 Replies
- 26529 Views
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Last post by Peter Kane
Fri Sep 28, 2018 4:16 pm
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Nadia's Icosahedron
Replies: 13
by
sicherman » Sat Sep 22, 2018 5:52 pm
Donald Bell has written up a polyhedron discovered by a young visitor to his home. He calls it Nadia's Icosahedron.
It has a girdle of six regular...
- 13 Replies
- 41744 Views
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Last post by Ulrich
Fri Sep 28, 2018 7:03 am
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What is a step prism?
Replies: 3
by
Nikayama NDos » Tue Aug 07, 2018 11:36 am
It's outstanding that all 4D dice with 5+ cells is possible, gyrochora being the general method.
Stella4D tells gyrochora are dual of step prisms,...
- 3 Replies
- 72994 Views
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Last post by robertw
Mon Aug 13, 2018 3:29 am
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Isohedral Stellations
Replies: 4
by
ndl » Wed Feb 15, 2017 5:17 am
I'm interested in finding all the convex isohedral stellations of various polyhedra. I found (including stellation core):
Dodecahedron: 4...
- 4 Replies
- 30362 Views
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Last post by ndl
Mon Feb 20, 2017 2:14 am
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Coloring of Snub Dodecahedron
Replies: 3
by
the_tool_man » Fri Sep 23, 2016 4:40 pm
Hi all:
I've been using Great Stella for a few years now, slowly building a collection of polyhedra. I'm on the last of the Archimedean solids, the...
- 3 Replies
- 36174 Views
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Last post by Ulrich
Sun Oct 02, 2016 1:19 pm
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- 1 Replies
- 30835 Views
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Last post by guy
Thu Aug 13, 2015 7:16 pm
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Compound of 3 Rhombic Prisms
Replies: 12
by
jos smits » Fri Feb 27, 2015 12:07 pm
Robert Austin excited me with his model of a compound of 3 Rhombic Prisms made with Stella. I asked him how he made it but he answered that he had no...
- 12 Replies
- 66405 Views
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Last post by jos smits
Sun Mar 08, 2015 7:59 am
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- 2 Replies
- 28633 Views
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Last post by Evenire
Wed Jan 14, 2015 7:28 pm
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compound of 2 icosahedra
by
jos smits » Fri Oct 31, 2014 8:02 pm
Just bought Great Stella4D. Happy to join the club of symmetrists. Having built quite a few models over the past years I am ready to tackle the...
- 0 Replies
- 50172 Views
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Last post by jos smits
Fri Oct 31, 2014 8:02 pm
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Groupe Facebook
Replies: 6
by rgagneux » Wed Sep 18, 2013 7:06 pm
Bonjour,
Je vous rappelle qu'il existe un groupe Facebook où vous pouvez publier vos créations virtuelles, ou concrètes.
- 6 Replies
- 35880 Views
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Last post by rgagneux
Sun Oct 06, 2013 12:59 pm
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Rectified Polyhedra
Replies: 3
by
Pauly1060 » Mon May 20, 2013 11:02 pm
I have great stella and would like to make rectified polyhedra from a parent polyhedron, twisting the pentagon faces of a dodecahedron for example,...
- 3 Replies
- 32737 Views
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Last post by robertw
Thu May 23, 2013 11:56 pm
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Faceted snub cube
Replies: 13
by
robertw » Mon Feb 11, 2008 6:46 am
I just discovered an interesting little faceting of the snub cube. Has anyone seen it before?
It's interesting because it has just one face-type, an...
- 13 Replies
- 86875 Views
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Last post by Ulrich
Thu Mar 28, 2013 7:14 pm
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Procedure to make compounds
Replies: 3
by
Kathy » Tue Jul 03, 2012 12:35 am
Hi,
I am trying to make a compound but am unable to find the procedure. I have a faceted tetrahedra that I want to make into a compound 5. Thanks...
- 3 Replies
- 34589 Views
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Last post by Kathy
Thu Jul 05, 2012 7:09 pm
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- 7 Replies
- 43915 Views
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Last post by Peter Kane
Thu Mar 15, 2012 11:34 am
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Compound of Two Deltahedra
Replies: 10
by
oxenholme » Mon Aug 17, 2009 12:22 pm
Due to a never-ending tale of woe with broken computers I haven't got access to Stella at the moment...
You know the deltahedron - same edges as the...
- 10 Replies
- 61497 Views
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Last post by indigotwilight
Fri Apr 22, 2011 3:01 pm
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- 7 Replies
- 51180 Views
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Last post by Peter Kane
Tue Mar 29, 2011 6:56 am
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Isohedra with non-convex faces
Replies: 19
by
oxenholme » Wed Sep 23, 2009 7:16 am
My mathematics are sadly lacking. Has anybody here got the necessary mathematical ability to translate the equations and values in the paper...
- 19 Replies
- 102031 Views
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Last post by marcelteun
Mon Jul 19, 2010 8:18 pm
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Tintin-R
Replies: 1
by
marcelteun » Sat Feb 06, 2010 11:37 am
Hi,
My 4 year old son asked me to create a rocket polyhedron. I though I would share it with you.
:wink:
- 1 Replies
- 27858 Views
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Last post by guy
Sat Feb 06, 2010 10:21 pm
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Octahedron plus Dodecahedron
Replies: 1
by
oxenholme » Sat Dec 26, 2009 6:41 pm
I spotted this among the compounds in Stella and had to make it. I tried using a multicolour octahedron and a plain grey dodecahedron. It looks super...
- 1 Replies
- 28751 Views
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Last post by Nordehylop
Mon Dec 28, 2009 4:21 am
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Polyhedral dog toy
Replies: 3
by
robertw » Sun Nov 23, 2008 11:28 am
Hi,
I just picked up a rubber first stellation of the rhombic dodecahedron at the supermarket, being marketed as a dog toy! :D Might be Australian...
- 3 Replies
- 39401 Views
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Last post by jbuddenh
Sat Jan 24, 2009 2:31 pm
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- 21 Replies
- 121224 Views
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Last post by robertw
Sun Apr 13, 2008 5:12 pm
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Polyhedral puzzles
Replies: 1
by
robertw » Sun Mar 16, 2008 9:50 am
Hi folks,
I just put some new polyhedral puzzles up on my site:
See what you think, and feel free to discuss here :)
Rob.
- 1 Replies
- 28310 Views
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Last post by Jabe
Sun Mar 16, 2008 10:59 pm
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A Duality-related Question
Replies: 4
by
Nordehylop » Thu Feb 28, 2008 9:15 pm
Can you take the faces of a polyhedron, along with the faces of its dual, and rearrange them into a new polyhedron? I noticed that you can with the...
- 4 Replies
- 40615 Views
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Last post by polymorphic
Sun Mar 16, 2008 2:05 pm
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