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Updated forum!

Last post by robertw « Sun Nov 24, 2024 8:06 am
Replies: 3
by robertw » Sun Jun 17, 2018 1:53 pm

Welcome to the new-look forums!

After much difficulty, I finally managed to migrate this forum from phpBB2 to phpBB3. So what does this mean?

You...

3 Replies

75687 Views

Last post by robertw
Sun Nov 24, 2024 8:06 am
Stella 5.4 has been released!

Last post by robertw « Mon May 12, 2014 2:05 pm

by robertw » Mon May 12, 2014 2:05 pm

Stella 5.4 has been released!

It's a free upgrade for existing Stella 5 users (use Check for Software Updates Now in the Help menu if it doesn't...

0 Replies

77855 Views

Last post by robertw
Mon May 12, 2014 2:05 pm
Announcing MoStella! Mobile app full of polyhedra.

Last post by guy « Fri Nov 02, 2018 3:27 pm
Replies: 3
by robertw » Sat Aug 24, 2013 3:06 pm

Hi folks,

I've finally finished my polyhedral mobile app MoStella. It's Android-only at the moment.

MoStella can display polyhedra, their duals,...

3 Replies

65435 Views

Last post by guy
Fri Nov 02, 2018 3:27 pm
Welcome!

Last post by robertw « Fri Jan 11, 2008 4:37 am

by robertw » Fri Jan 11, 2008 4:37 am

Welcome to the Stella forum!

This is the place to talk about Stella. Ask how to perform certain tasks, present a new technique you've discovered...

0 Replies

64147 Views

Last post by robertw
Fri Jan 11, 2008 4:37 am

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Hendecachoron

Last post by Hodge « Tue Nov 11, 2008 4:43 pm

by Hodge » Tue Nov 11, 2008 4:43 pm

I seek a .stel or.off file for the hendecachoron, which I have not seen in the Stella4D library. Does anyone have such a file?

0 Replies

17228 Views

Last post by Hodge
Tue Nov 11, 2008 4:43 pm
X Extension

Last post by Orangery « Sat Nov 01, 2008 9:45 am
Replies: 4
by Orangery » Thu Oct 30, 2008 6:08 pm

I have been going through some old files (3d polyhedrons) that were saved with an .x extension. I thought they were produced using the 'Small Stella'...

4 Replies

24537 Views

Last post by Orangery
Sat Nov 01, 2008 9:45 am
polyhedron radius

Last post by robertw « Wed Oct 15, 2008 9:11 am
Replies: 3
by polymorphic » Mon Oct 13, 2008 6:42 pm

Hi Rob,

It appears the value you give for a polyhedra radius is the maximum distance between centroid and the vertices.

Is this the excepted...

3 Replies

29919 Views

Last post by robertw
Wed Oct 15, 2008 9:11 am
More 4D compounds now available

Last post by 3katie3 « Tue Aug 26, 2008 8:05 pm
Replies: 51
by Dinogeorge » Sun Jan 13, 2008 7:21 am
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3

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I was playing with Stella4D version 4.4 and was pleased to discover that it will now construct the 4D compounds of ten 600-cells and ten grand...
51 Replies

267135 Views

Last post by 3katie3
Tue Aug 26, 2008 8:05 pm
"Stella Models" paper now online

Last post by oxenholme « Fri Aug 15, 2008 7:25 am
Replies: 1
by robertw » Sat Aug 02, 2008 4:50 am

I finally got around to getting my 2004 paper Stella Models online. Here's the link:

It was published in Symmetry: Culture and Science , Vol. 13,...

1 Replies

15394 Views

Last post by oxenholme
Fri Aug 15, 2008 7:25 am
Stella reviewed in PC Plus magazine!

Last post by robertw « Fri Jul 25, 2008 1:47 pm

by robertw » Fri Jul 25, 2008 1:47 pm

Hey, exciting news!

Mike Bedford wrote a review of Great Stella in PC Plus magazine ! It's in issue 271, August 2008, p46-47.

A couple of quotes:...

0 Replies

16718 Views

Last post by robertw
Fri Jul 25, 2008 1:47 pm
Nice trick when faceting!

Last post by Woolalan « Sun Jul 13, 2008 7:11 pm
Replies: 2
by Woolalan » Thu Jul 10, 2008 7:41 pm

Sometimes when faceting in Great Stella, I've wanted to have a plane saved in the faceted polyhedron - not just where it cuts a solid volume, but...

2 Replies

21165 Views

Last post by Woolalan
Sun Jul 13, 2008 7:11 pm
I Just Can't Cut It!

Last post by RexEveryhting « Fri Jul 11, 2008 8:02 pm
Replies: 11
by RexEveryhting » Sun Jul 06, 2008 6:36 am

I found the model I want to work with in the More Stewart Toroids folder. It's called the Icosahedra 8 (ring)....

11 Replies

123611 Views

Last post by RexEveryhting
Fri Jul 11, 2008 8:02 pm
Hi! I'm Rex Everyhting!

Last post by RexEveryhting « Mon Jul 07, 2008 9:08 pm
Replies: 3
by RexEveryhting » Sun Jul 06, 2008 6:35 am

I'm new here and I had a question, accompanied by images, but it turns out the forum is set up to disallow URLs until after ypou have at least one...

3 Replies

22460 Views

Last post by RexEveryhting
Mon Jul 07, 2008 9:08 pm
Mitre Angle

Last post by guy « Mon Jul 07, 2008 7:35 pm
Replies: 4
by Larry » Sat Jul 05, 2008 2:32 pm

Something that has nagged at me since I first viewed V3.4 is the use of the term “mitre angle” as seen when viewing “Nets\Show Edge Data\Mitre...

4 Replies

34022 Views

Last post by guy
Mon Jul 07, 2008 7:35 pm
Miter Vs Bevel

Last post by Larry « Mon Jul 07, 2008 12:28 pm

by Larry » Mon Jul 07, 2008 12:28 pm

In response to your posting Mr. Webb, yes I would like to see Mitre changed to Bevel . The following is in respose to the posting by os2fan2.

As...

0 Replies

27111 Views

Last post by Larry
Mon Jul 07, 2008 12:28 pm
did you know these?

Last post by dysphras « Thu Jun 12, 2008 8:52 am

by dysphras » Thu Jun 12, 2008 8:52 am

Slice (at 0.5) a 5-Hi (120-cell) with a hyperplane direction cell-1st. Do the same to a 6-Ex (600-cell), same depth but direction vertex-1st this...

0 Replies

16775 Views

Last post by dysphras
Thu Jun 12, 2008 8:52 am
non-tetrahedrizable polyhedron

Last post by dysphras « Thu Jun 12, 2008 8:29 am
Replies: 2
by dysphras » Wed Jun 11, 2008 10:52 am

Hi everybody,

Here are the coordinates for the celebrated *Schonhardt's non- tetrahedrizable polyhedron*. Please copy the following in *txt* format,...

2 Replies

20154 Views

Last post by dysphras
Thu Jun 12, 2008 8:29 am
VRML files

Last post by Nordehylop « Thu May 29, 2008 10:10 pm

by Nordehylop » Thu May 29, 2008 10:10 pm

Is it possible to import VRML files into stella? Or is there a roundabout way of doing it, such as importing VRML files into a different program and...

0 Replies

17048 Views

Last post by Nordehylop
Thu May 29, 2008 10:10 pm
Book on Stella

Last post by Squeaky « Thu May 08, 2008 9:02 am
Replies: 2
by Squeaky » Wed May 07, 2008 6:46 am

Hi Everybody,

I am finding great difficulty in actually using Stella to build my own shapes.

Ulrich has been very kindly helping me create a model...

2 Replies

18796 Views

Last post by Squeaky
Thu May 08, 2008 9:02 am
Filling cross-sections

Last post by robertw « Thu May 01, 2008 6:18 am
Replies: 11
by robertw » Tue Apr 01, 2008 1:35 pm

Hi Jonathan B (aka Jabe on this forum) and anyone interested in how to fill polytopes.

You wrote on your site ( ):

Robert Webb, the designer of...

11 Replies

50224 Views

Last post by robertw
Thu May 01, 2008 6:18 am
Stella Way

Last post by guy « Tue Apr 29, 2008 8:16 pm
Replies: 1
by robertw » Tue Apr 29, 2008 3:35 pm

I saw this street sign the other day and thought it was funny.

All must follow the Stella Way :wink:

Rob.

1 Replies

15062 Views

Last post by guy
Tue Apr 29, 2008 8:16 pm
Fractal polyhedra in Stella

Last post by polymorphic « Wed Apr 16, 2008 1:22 am
Replies: 3
by robertw » Sun Apr 13, 2008 4:00 pm

I mentioned elsewhere George Hart's class assignment using Great Stella to create fractal polyhedra.

Well I thought I'd start a thread about making...

3 Replies

24393 Views

Last post by polymorphic
Wed Apr 16, 2008 1:22 am
DPD CONTIONALS AND IF THEN ELSE STATEMENT

Last post by robertw « Mon Apr 07, 2008 8:04 am
Replies: 1
by Stella » Mon Apr 07, 2008 1:11 am

HOW CAN I USE DPD CONDITIONALS?
HOW CAN I CONSTRUCT IF THEN ELSE STATEMENT THAT ALLOW ME THE INPUT OF DYNAMICS DATA?

1 Replies

16634 Views

Last post by robertw
Mon Apr 07, 2008 8:04 am
Compounds of 10 regular polychora

Last post by Dinogeorge « Wed Mar 19, 2008 11:28 pm
Replies: 12
by Dinogeorge » Sat Feb 16, 2008 11:14 pm

Well, here’s “humanity’s first look” at the cell-regular compound of ten hecatonicosachora about a hexacosichoron , displayed as the 0.555 section by...

12 Replies

71541 Views

Last post by Dinogeorge
Wed Mar 19, 2008 11:28 pm
How do I modify a solid?

Last post by Major Mayhem « Wed Mar 19, 2008 6:47 pm
Replies: 6
by tpgettys » Sun Jan 20, 2008 3:06 am

Can you tell me if/how to create an image of an icosahedron with one vertex truncated?

I would most appreciate a step-by-step explanation; in the...

6 Replies

53314 Views

Last post by Major Mayhem
Wed Mar 19, 2008 6:47 pm
Uniform compounds of icositetrachora

Last post by Dinogeorge « Fri Mar 14, 2008 7:05 pm
Replies: 3
by Dinogeorge » Fri Feb 29, 2008 6:51 am

There are lots of symmetric compounds of icositetrachora (including at least one infinite set, discovered, if I remember correctly, by Jonathan...

3 Replies

27898 Views

Last post by Dinogeorge
Fri Mar 14, 2008 7:05 pm
A course in Stella

Last post by robertw « Wed Mar 05, 2008 3:51 am

by robertw » Wed Mar 05, 2008 3:51 am

Thought this might be of interest to a few of you. George Hart is including some assignments using Great Stella in his Computers and Sculpture class...

0 Replies

16217 Views

Last post by robertw
Wed Mar 05, 2008 3:51 am
Compounds

Last post by robertw « Tue Mar 04, 2008 5:51 am
Replies: 1
by polymorphic » Mon Mar 03, 2008 5:51 pm

Hi Rob,

You mentioned how Stella can't determine the compound of 3 8/3 prisms from an OFF file. Does this imply then that it can be stored in a stel...

1 Replies

14440 Views

Last post by robertw
Tue Mar 04, 2008 5:51 am
Face types and Vertex types

Last post by polymorphic « Tue Feb 19, 2008 5:50 pm
Replies: 4
by polymorphic » Sun Feb 17, 2008 1:46 pm

Hi Rob,

I have a question pertaining face types and vertex types.

I made a compound which is 15 8/3 dipyramids in icosahedral symmetry. Stella...

4 Replies

25473 Views

Last post by polymorphic
Tue Feb 19, 2008 5:50 pm
Quick tips: Loading Platonic solids quickly

Last post by robertw « Wed Jan 16, 2008 5:36 am

by robertw » Wed Jan 16, 2008 5:36 am

Most likely all users know how to load the Platonic solids into Stella, but do you know the fastest way?

It can be done very quickly just via the...

0 Replies

21017 Views

Last post by robertw
Wed Jan 16, 2008 5:36 am

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