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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

71114 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

73968 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

61287 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

61026 Views

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

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Last post

Other complementary 3D educational software?

Last post by Peter Kane « Sun Sep 02, 2012 7:00 pm
Replies: 1
by bblackburn » Sun Aug 26, 2012 11:43 pm

As an 8th grade/High School math teacher trying to cope with the transition to the Common Core State Standards, I am looking for other software that...

1 Replies

17374 Views

Last post by Peter Kane
Sun Sep 02, 2012 7:00 pm
Stella facebook page

Last post by robertw « Sun Aug 12, 2012 12:06 pm

by robertw » Sun Aug 12, 2012 12:06 pm

Hi folks,

I have just created a facebook page for Stella, so if you're a facebook user, feel free to like it and help get it started.

Thanks!...

0 Replies

48025 Views

Last post by robertw
Sun Aug 12, 2012 12:06 pm
Groupe Facebook

Last post by rgagneux « Wed Jun 27, 2012 12:24 pm
Replies: 1
by rgagneux » Thu Jun 21, 2012 10:18 am

Bonjour,
J'ai créé un groupe Facebook : Polyèdres et formes mathématiques.
Il serait intéressant que les créateurs de tous les pays fassent...

1 Replies

14237 Views

Last post by rgagneux
Wed Jun 27, 2012 12:24 pm
Video Tutorials

Last post by boomfiziks « Sun Jun 24, 2012 5:23 am
Replies: 2
by boomfiziks » Sun Jun 24, 2012 2:57 am

Hello. I'm new to Stella 4D and I've enjoyed exploring it's many features. I've come across a helpful tutorial that really decreased the learning...

2 Replies

20479 Views

Last post by boomfiziks
Sun Jun 24, 2012 5:23 am
Cherche contact parlant français. Seeks contact speak French

Last post by rgagneux « Sat May 19, 2012 6:42 pm
Replies: 6
by rgagneux » Tue May 08, 2012 8:20 am

Bonjour, je viens d'acheter Stella, et j'aimerais trouver un autre utilisateur français ou francophone de façon à pouvoir établir un contact et...

6 Replies

29647 Views

Last post by rgagneux
Sat May 19, 2012 6:42 pm
Please tell us about your polyhedra and post photos!

Last post by Peter Kane « Wed Mar 14, 2012 4:23 pm
Replies: 1
by oxenholme » Mon Mar 05, 2012 2:17 pm

I've been fascinated by polyhedra ever since 1961 or thereabouts when I got introduced to them at school.

From time to time I post photos of my own...

1 Replies

16135 Views

Last post by Peter Kane
Wed Mar 14, 2012 4:23 pm
2 Newbie questions

Last post by robertw « Tue Mar 06, 2012 12:04 am
Replies: 2
by pbrants » Sun Mar 04, 2012 10:11 am

1) When I choose File/Export metric data I can see there dihedral angles, what I understand (angel between 2 planes), but what is a mitre angle (eg...

2 Replies

20514 Views

Last post by robertw
Tue Mar 06, 2012 12:04 am
Stella on TV

Last post by robertw « Sun Feb 26, 2012 3:26 am

by robertw » Sun Feb 26, 2012 3:26 am

Back in 2003 there was a story about Great Stella on TV.
You can see a bunch of my paper polyhedra here too.

Rob.

0 Replies

48066 Views

Last post by robertw
Sun Feb 26, 2012 3:26 am
Reinstalling Stella4D

Last post by robertw « Mon Jan 23, 2012 11:48 pm
Replies: 2
by RTChoke » Mon Jan 23, 2012 6:00 pm

I had the program running on a WinXP box and had a hard drive crash (or perhaps a corruption of the Win install, and a failing drive, whatever, it...

2 Replies

21224 Views

Last post by robertw
Mon Jan 23, 2012 11:48 pm
Export / Import alignment?

Last post by HonestAbe « Mon Sep 05, 2011 10:42 pm
Replies: 2
by HonestAbe » Thu Sep 01, 2011 8:02 pm

This question is really nit-picking,
because Stella 4D exceeded my expectations;
in fact, it's beyond belief how perfect it is for what I want to...

2 Replies

20431 Views

Last post by HonestAbe
Mon Sep 05, 2011 10:42 pm
cannot view stellation

Last post by robertw « Wed Jul 27, 2011 11:18 am
Replies: 2
by zeneteru » Sat Jul 23, 2011 1:09 pm

hi there, does anyone know how to view the stellation, i have stella loaded on my laptop works fine, but my pc i cannot? when i hit the cursor key to...

2 Replies

20898 Views

Last post by robertw
Wed Jul 27, 2011 11:18 am
Questions about Stellations and Stellation Criterion

Last post by indigotwilight « Sat Jul 16, 2011 2:27 pm

by indigotwilight » Sat Jul 16, 2011 2:27 pm

This thought started a few days ago when I thought I'd try and export images of each stellation of the icosidodecahedron. I noticed there wasn't...

0 Replies

48925 Views

Last post by indigotwilight
Sat Jul 16, 2011 2:27 pm
view base stellation

Last post by zeneteru « Mon Jun 27, 2011 6:23 pm

by zeneteru » Mon Jun 27, 2011 6:23 pm

hi there,
i have a question regarding stellations, on my copy of stella i cannot seem to show the stellations when im in the view base polyhedron...

0 Replies

49781 Views

Last post by zeneteru
Mon Jun 27, 2011 6:23 pm
Giving away nets as PDF, off and stel files, etc

Last post by indigotwilight « Mon Jun 20, 2011 2:06 pm

by indigotwilight » Mon Jun 20, 2011 2:06 pm

I'm in the process of building a website, part of which I want to use to display images of polyhedron models I've built.
I thought it might be nice...

0 Replies

47631 Views

Last post by indigotwilight
Mon Jun 20, 2011 2:06 pm
mac

Last post by indigotwilight « Mon Jun 20, 2011 11:20 am
Replies: 1
by daniela » Sun Jun 19, 2011 1:57 pm

Did someone already try to use Stella on a Mac? With Parallels or BootCamp? Please let me know. Daniela

1 Replies

15930 Views

Last post by indigotwilight
Mon Jun 20, 2011 11:20 am
Just written my first OFF file

Last post by indigotwilight « Fri May 27, 2011 5:42 pm

by indigotwilight » Fri May 27, 2011 5:42 pm

I took a moment to learn the .OFF file format, and decided to 'write' my own polyhedron model.
It's a sort of octagrammic bipyramid. Might be useful...

0 Replies

46260 Views

Last post by indigotwilight
Fri May 27, 2011 5:42 pm
Resize individual polyhedra in a compound

Last post by robertw « Thu Apr 07, 2011 1:21 pm
Replies: 1
by indigotwilight » Sun Apr 03, 2011 1:15 pm

I recently stumbled upon the trial version of Stella4d, and currently I'm trying things out to get aquanted with the GUI. In a few days time, I...

1 Replies

13410 Views

Last post by robertw
Thu Apr 07, 2011 1:21 pm
Couldn't find exit edge

Last post by daniela « Fri Mar 04, 2011 1:56 pm
Replies: 2
by daniela » Thu Mar 03, 2011 7:08 pm

So says Stella when I try to open a model that I have imported, and that it has been exported from javaview.

can someone tell me the problem? Or...

2 Replies

17111 Views

Last post by daniela
Fri Mar 04, 2011 1:56 pm
Video showing how to replace each part of a compound.

Last post by jbuddenh « Wed Jan 19, 2011 9:36 pm
Replies: 4
by robertw » Sat Jul 24, 2010 4:17 am

Hi guys,

I just made my first video tutorial about Stella. You can see it here:

It's not really a beginner's tutorial. I should make some...

4 Replies

25280 Views

Last post by jbuddenh
Wed Jan 19, 2011 9:36 pm
Help with Colours

Last post by oxenholme « Thu Dec 30, 2010 6:43 pm
Replies: 5
by Peter Kane » Fri Aug 27, 2010 3:56 pm

I'm trying to work out the colour scheme (map) for the great ditrigonal dodecicosidodecahedron (MW 81). I tried viewing the model in Stella after...

5 Replies

23385 Views

Last post by oxenholme
Thu Dec 30, 2010 6:43 pm
missing file button

Last post by MiloJacquet « Sun Oct 03, 2010 10:04 pm

by MiloJacquet » Sun Oct 03, 2010 10:04 pm

Hi Rob

I found a new file. I don't know what it's called. But inside, I can make right pyramids,irregular tetrahedra, podiums, antipodiums, tori,...

0 Replies

45723 Views

Last post by MiloJacquet
Sun Oct 03, 2010 10:04 pm
Stella image in New York Review of Books

Last post by guy « Sat Jun 12, 2010 8:00 pm
Replies: 8
by robertw » Mon Apr 12, 2010 2:41 pm

Hey guys,

An image of the tesseract (4D cube) made using Stella4D has just appeared in an article in the New York Review of Books. You can see it...

8 Replies

39626 Views

Last post by guy
Sat Jun 12, 2010 8:00 pm
Flexagons

Last post by robertw « Mon Apr 12, 2010 2:38 pm
Replies: 1
by kk6pr » Sat Apr 10, 2010 5:57 am

Anyone here know what these are? And if it's possible to make nets for them in Stella 4D?

If you don't know what I'm talking about - google it. Try...

1 Replies

15578 Views

Last post by robertw
Mon Apr 12, 2010 2:38 pm
Need help with Generic Viagra Spam what can i do about this

Last post by faiskeoadave « Mon Jan 18, 2010 1:02 pm
Replies: 1
by MarkoBatelicic » Sat Dec 19, 2009 9:47 pm

Hey guys, sorry if this is wrong section or place to ask but maybe someone can help me. My forum just got bombarded with viagra spam, what can you...

1 Replies

17106 Views

Last post by faiskeoadave
Mon Jan 18, 2010 1:02 pm
star tetrahedron

Last post by robertw « Mon Jan 04, 2010 1:17 pm
Replies: 4
by zeneteru » Wed Dec 30, 2009 9:57 am

hi im looking for a star tetrahedron net, any ideas?
thanks.

4 Replies

26084 Views

Last post by robertw
Mon Jan 04, 2010 1:17 pm
Stewart toroids

Last post by MiloJacquet « Sat Nov 28, 2009 6:15 pm

by MiloJacquet » Sat Nov 28, 2009 6:15 pm

Hi Rob.

I've discovered a new stewart toroid!
Basicly K5 / 12Q5 S5 (E5) + 20 (R5 / S5 Q5)

0 Replies

25443 Views

Last post by MiloJacquet
Sat Nov 28, 2009 6:15 pm
Vertices

Last post by robertw « Sat Nov 28, 2009 10:48 am
Replies: 1
by MiloJacquet » Thu Nov 26, 2009 1:56 am

Hi Rob.

My vertices will not go off. I've tried clicking the vertex button. It will not go off. What should I do?

1 Replies

14265 Views

Last post by robertw
Sat Nov 28, 2009 10:48 am
(Hyperbolic) tilings and (hyperbolic) honeycombs

Last post by robertw « Mon Nov 09, 2009 9:48 am
Replies: 1
by MiloJacquet » Fri Nov 06, 2009 5:12 am

Hi Rob.

Are you to put (hyperbolic) tilings and honeycombs in stella 4D?

1 Replies

15505 Views

Last post by robertw
Mon Nov 09, 2009 9:48 am
Császár and Szilassi Polyhedra

Last post by Alex Doskey « Thu Nov 05, 2009 4:52 pm
Replies: 8
by Nordehylop » Thu May 29, 2008 9:49 pm

How would one get the Császár and Szilassi Polyhedra in stella? They are two polyhedra that I would like to build for my dad for Father's day. The...

8 Replies

56780 Views

Last post by Alex Doskey
Thu Nov 05, 2009 4:52 pm
Stewart toroids

Last post by robertw « Tue Nov 03, 2009 8:21 am
Replies: 1
by MiloJacquet » Tue Nov 03, 2009 2:31 am

Hi Rob.

You know the black lines that I can put on a lot of polyhedra? I can't put those lines on the rotunda drilled truncated icosidodecahedron...

1 Replies

49580 Views

Last post by robertw
Tue Nov 03, 2009 8:21 am
question about alternation

Last post by robertw « Wed Oct 28, 2009 12:48 pm
Replies: 3
by perrin » Sun Oct 18, 2009 7:21 pm

How do I alternate polyhedra?

Also, are you going to make a stella5D?

--Milo

3 Replies

20989 Views

Last post by robertw
Wed Oct 28, 2009 12:48 pm
pentachoron and icositetrachoron

Last post by Jabe « Thu Oct 15, 2009 12:47 pm
Replies: 2
by perrin » Wed Sep 23, 2009 2:56 am

I am having a problem with stella.
When I want to see a pentachoron* I only see a tetrahedron. Same with
the tesseract. The icositetrachoron** only...

2 Replies

19097 Views

Last post by Jabe
Thu Oct 15, 2009 12:47 pm
missing toolbar ?

Last post by perrin « Wed Sep 16, 2009 5:42 am
Replies: 2
by perrin » Sat Sep 12, 2009 6:57 pm

Hi. My nephew (2nd grade) LOVES stella4d (he is using it for a class project)

However, he has managed to misplace the view-type toolbar. Even when I...

2 Replies

16561 Views

Last post by perrin
Wed Sep 16, 2009 5:42 am
export pdf and keyboard shortcuts view orientation

Last post by robertw « Tue Aug 18, 2009 2:09 pm
Replies: 1
by zeneteru » Sun Aug 16, 2009 2:07 pm

hi im new to stella, i recently purchased 4d i have a few simple questions..

im thinking of making posters with stella is it possible to export as...

1 Replies

15544 Views

Last post by robertw
Tue Aug 18, 2009 2:09 pm
Coordinates of vertices

Last post by robertw « Mon Jul 13, 2009 10:59 am
Replies: 1
by murkle » Sun Jul 12, 2009 7:04 am

Hi,

Is there a way to export the coordinates of the vertices from any of the Stella programs eg to a text file or clipboard?

thanks!

1 Replies

18245 Views

Last post by robertw
Mon Jul 13, 2009 10:59 am
Facet vertex angles and sizes

Last post by RTChoke « Thu Jul 09, 2009 3:22 pm
Replies: 15
by RTChoke » Fri Jun 26, 2009 7:38 pm
1

2
I just purchased the Stella4D program, have been fooling around with the demo version for a week or so. Very neat stuff.

Anyway, what I am going to...
15 Replies

152219 Views

Last post by RTChoke
Thu Jul 09, 2009 3:22 pm
Ping Dinogeorge

Last post by robertw « Thu Jun 11, 2009 11:46 am
Replies: 2
by the_tool_man » Thu May 07, 2009 1:46 pm

I've been browsing the threads, and run across several of Dinogeorge's postings that reportedly had some fantastic images. He hosted them on AOL...

2 Replies

23033 Views

Last post by robertw
Thu Jun 11, 2009 11:46 am
Polyhedron scaling behavior

Last post by the_tool_man « Mon Jun 01, 2009 8:53 pm
Replies: 1
by the_tool_man » Thu May 07, 2009 1:26 pm

Hi all:

I'm relatively new to Great Stella, and have begun making some models; the Platonics and some of the Archemedians. I want them all roughly...

1 Replies

15513 Views

Last post by the_tool_man
Mon Jun 01, 2009 8:53 pm
export to dxf

Last post by bobcdy « Tue Mar 24, 2009 8:14 pm
Replies: 5
by bobcdy » Sat Mar 21, 2009 3:39 pm

I'm new to Stella 4D, but am impressed with the quality of the program. I have one question so far. I exported a polyhedron as dxf for use in my...

5 Replies

28214 Views

Last post by bobcdy
Tue Mar 24, 2009 8:14 pm
Some JS allow "U" keypress

Last post by robertw « Sun Feb 22, 2009 1:10 pm
Replies: 1
by polymorphic » Sat Jan 31, 2009 6:23 pm

I don't see this as a problem but some of the Johnson solids allow Create Unform Polychoron from 3D vertex figure . Not a lot of them but a few. They...

1 Replies

15107 Views

Last post by robertw
Sun Feb 22, 2009 1:10 pm
"Open-Faced" Polyhedra

Last post by robertw « Sun Feb 22, 2009 12:55 pm
Replies: 2
by Nordehylop » Tue Feb 10, 2009 7:10 pm

A few months ago I designed and built two models of polyhedral stellations with sections cut away from their faces (so that only the true edges of...

2 Replies

19817 Views

Last post by robertw
Sun Feb 22, 2009 12:55 pm
11-cell

Last post by polymorphic « Sun Feb 08, 2009 12:50 pm
Replies: 18
by polymorphic » Thu Jan 29, 2009 2:16 pm
1

2
Hi,

The 11-cell or hendecachoron is 11 hemi-icosahedra. I have a hemi-icosahedra (OFF file below). I was wondering if the 11-cell might be...
18 Replies

100394 Views

Last post by polymorphic
Sun Feb 08, 2009 12:50 pm
Powertopes

Last post by Jabe « Wed Feb 04, 2009 11:35 pm

by Jabe » Wed Feb 04, 2009 11:35 pm

If we take the square of a polygon, we get a duoprism of that polygon - and this is the beginning of powertopes. Powertopes are the result of taking...

0 Replies

26384 Views

Last post by Jabe
Wed Feb 04, 2009 11:35 pm
how to create a rotating polyhedron video

Last post by jbuddenh « Sat Jan 24, 2009 2:45 pm
Replies: 2
by jbuddenh » Thu Jan 22, 2009 6:38 pm

So I have this beautiful polyhedron rotating on my screen in greatstella and I'm thinking, how could I get this on YouTube. So how can I do this? Is...

2 Replies

19822 Views

Last post by jbuddenh
Sat Jan 24, 2009 2:45 pm
Thirteen Sided Dice

Last post by Jabe « Wed Jan 14, 2009 11:03 pm

by Jabe » Wed Jan 14, 2009 11:03 pm

Recently I rendered the three possible cell-transitive tridecachora using Off files and Stella4D. I started by using the thirteen vertices of their...

0 Replies

25481 Views

Last post by Jabe
Wed Jan 14, 2009 11:03 pm
Christmas polyhedra?

Last post by Ulrich « Tue Dec 09, 2008 11:08 am
Replies: 3
by robertw » Sat Dec 06, 2008 12:20 am

With Christmas coming up, I thought I'd start a thread for Christmas polyhedra. Below is one I made using Stella last year. So make your own...

3 Replies

21525 Views

Last post by Ulrich
Tue Dec 09, 2008 11:08 am
intersecting cylinders

Last post by Ulrich « Thu Nov 27, 2008 3:34 pm
Replies: 8
by Ulrich » Fri Oct 31, 2008 10:00 am

Hi Ulrich,

> This is the core of six intersecting cylinders (displayed like
> 60-fold prisms).

Maybe you'd consider writing a post about it and...

8 Replies

50665 Views

Last post by Ulrich
Thu Nov 27, 2008 3:34 pm
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

16418 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

23383 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

28829 Views

Last post by robertw
Wed Oct 15, 2008 9:11 am

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