For general discussion of polyhedra, not necessarily Stella-specific.
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
37941 Views
Last post by Gordon
Tue Aug 27, 2024 4:18 am
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...
0 Replies
2425 Views
Last post by Wagyx
Fri Aug 02, 2024 7:06 pm
12 Replies
56453 Views
Last post by robertw
Fri Feb 23, 2024 1:40 pm
4 Replies
36209 Views
Last post by Ulrich
Tue Dec 05, 2023 5:54 pm
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
14067 Views
Last post by jacpot
Sun Dec 03, 2023 2:46 pm
0 Replies
30942 Views
Last post by Wagyx
Sat Aug 26, 2023 3:02 pm
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
71430 Views
Last post by robertw
Fri Jan 06, 2023 2:30 pm
8 Replies
32402 Views
Last post by guy
Mon May 02, 2022 11:53 am
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
19578 Views
Last post by guy
Sun May 01, 2022 4:40 pm
3 Replies
18409 Views
Last post by robertw
Fri Dec 24, 2021 6:54 am
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
24321 Views
Last post by eligius1427
Sun Oct 31, 2021 3:33 pm
27 Replies
76291 Views
Last post by Ulrich
Thu Sep 30, 2021 7:53 am
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
59412 Views
Last post by marcelteun
Thu Apr 01, 2021 5:31 pm
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
51934 Views
Last post by robertw
Sun Jan 31, 2021 1:07 pm
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
36654 Views
Last post by senkoquartz
Sat Oct 24, 2020 7:30 pm
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
24306 Views
Last post by marcelteun
Mon Oct 05, 2020 1:48 pm
7 Replies
26775 Views
Last post by senkoquartz
Mon Sep 28, 2020 6:02 am
17 Replies
52567 Views
Last post by marcelteun
Mon Aug 17, 2020 8:49 am
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
42962 Views
Last post by senkoquartz
Thu Aug 06, 2020 9:58 am
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
104653 Views
Last post by kohli149
Tue Jul 28, 2020 9:19 am
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...
0 Replies
41923 Views
Last post by robertw
Sat Apr 04, 2020 4:41 am
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...
0 Replies
42369 Views
Last post by Peter Kane
Fri Mar 13, 2020 5:19 pm
0 Replies
42349 Views
Last post by metachirality
Sat Dec 21, 2019 12:04 am
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
58359 Views
Last post by marcelteun
Tue Oct 08, 2019 8:53 am
8 Replies
34535 Views
Last post by robertw
Wed Oct 02, 2019 7:18 am
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
28067 Views
Last post by Ulrich
Mon Feb 11, 2019 5:25 pm
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
37402 Views
Last post by ndl
Thu Dec 20, 2018 2:54 am
3 Replies
27002 Views
Last post by Peter Kane
Fri Sep 28, 2018 4:16 pm
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
42775 Views
Last post by Ulrich
Fri Sep 28, 2018 7:03 am
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
73464 Views
Last post by robertw
Mon Aug 13, 2018 3:29 am
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
30920 Views
Last post by ndl
Mon Feb 20, 2017 2:14 am
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
36784 Views
Last post by Ulrich
Sun Oct 02, 2016 1:19 pm
1 Replies
31194 Views
Last post by guy
Thu Aug 13, 2015 7:16 pm
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
67641 Views
Last post by jos smits
Sun Mar 08, 2015 7:59 am
2 Replies
29056 Views
Last post by Evenire
Wed Jan 14, 2015 7:28 pm
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
50783 Views
Last post by jos smits
Fri Oct 31, 2014 8:02 pm
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
36370 Views
Last post by rgagneux
Sun Oct 06, 2013 12:59 pm
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
33177 Views
Last post by robertw
Thu May 23, 2013 11:56 pm
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
88101 Views
Last post by Ulrich
Thu Mar 28, 2013 7:14 pm
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
35048 Views
Last post by Kathy
Thu Jul 05, 2012 7:09 pm
7 Replies
44717 Views
Last post by Peter Kane
Thu Mar 15, 2012 11:34 am
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
62462 Views
Last post by indigotwilight
Fri Apr 22, 2011 3:01 pm
7 Replies
51914 Views
Last post by Peter Kane
Tue Mar 29, 2011 6:56 am
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
103534 Views
Last post by marcelteun
Mon Jul 19, 2010 8:18 pm
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
28234 Views
Last post by guy
Sat Feb 06, 2010 10:21 pm
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
29136 Views
Last post by Nordehylop
Mon Dec 28, 2009 4:21 am
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
39928 Views
Last post by jbuddenh
Sat Jan 24, 2009 2:31 pm
21 Replies
123225 Views
Last post by robertw
Sun Apr 13, 2008 5:12 pm
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
28675 Views
Last post by Jabe
Sun Mar 16, 2008 10:59 pm
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
41240 Views
Last post by polymorphic
Sun Mar 16, 2008 2:05 pm
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