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  Topic: My first day with Stella, some diogital renderings...
oxenholme

Replies: 8
Views: 33952

PostForum: Polyhedron Models   Posted: Wed Dec 24, 2014 7:57 pm   Subject: My first day with Stella, some diogital renderings...
were you ultimately successful? I have just started making these objects. Lets share notes.

Which model are you working on at the moment Reeja? My most recent was a compound of 15 cuboids in a rh ...
  Topic: Compound of 2 Icosahedra
oxenholme

Replies: 5
Views: 9592

PostForum: Stella Feature Requests   Posted: Tue Nov 04, 2014 4:03 pm   Subject: Compound of 2 Icosahedra
Just to observe that the third one can be worked out easily without trig as it consists of 4 pentagonal pyramids and two pentagonal antiprisms with the pentagons paired so that their vertices coincide ...
  Topic: It's a newborn Great Icosihemidodecahedron
oxenholme

Replies: 3
Views: 9916

PostForum: Polyhedron Models   Posted: Wed Sep 17, 2014 9:12 pm   Subject: It's a newborn Great Icosihemidodecahedron
Great!

Pleased to see that you are completing the edges of the decagrams!

I think if I were making this one I'd use 10 colours for the triangles and 6 colours for the decagrams, so 16 in tota ...
  Topic: Hello from Eric
oxenholme

Replies: 7
Views: 13937

PostForum: Stella Forum   Posted: Sat Aug 16, 2014 11:48 am   Subject: Hello from Eric
Hi Eric!

My first bible was Mathematical Models by Dr H. Martyn Cundy & A.P. Rollett. My second was Uniform Polyhedra by H.S.M. Coxeter, Dr J.C.P. Miller & M.S. Longuet-Higgins.

Way ba ...
  Topic: Robert - your new model of Ten Tetrahedra
oxenholme

Replies: 4
Views: 12161

PostForum: Polyhedron Models   Posted: Fri Feb 21, 2014 7:40 am   Subject: Robert - your new model of Ten Tetrahedra
I didn't use any.

I try to avoid using internal bracing. It is essential for 5 Cubes, but all the others have proven to be rigid.

Have to admit that 10 Tetrahedra is a big disappointment. ...
  Topic: Robert - your new model of Ten Tetrahedra
oxenholme

Replies: 4
Views: 12161

PostForum: Polyhedron Models   Posted: Wed Feb 19, 2014 8:23 pm   Subject: Robert - your new model of Ten Tetrahedra
http://i112.photobucket.com/albums/n174/oxenholme/002_zpsa3e74daf.jpg
  Topic: Robert - your new model of Ten Tetrahedra
oxenholme

Replies: 4
Views: 12161

PostForum: Polyhedron Models   Posted: Wed Feb 19, 2014 6:22 pm   Subject: Robert - your new model of Ten Tetrahedra
I've answered it myself!

I'm 11/12 of the way there, and it's getting pretty rigid.
  Topic: Robert - your new model of Ten Tetrahedra
oxenholme

Replies: 4
Views: 12161

PostForum: Polyhedron Models   Posted: Mon Feb 03, 2014 9:02 pm   Subject: Robert - your new model of Ten Tetrahedra
The dart shaped facets are divided down the middle as you are using two colours for each.

Presumably you are double-tabbing, so the dart shaped facets will effectively be hinged down their middle. ...
  Topic: Topological Small Triambic Icosahedron
oxenholme

Replies: 1
Views: 8097

PostForum: Polyhedron Models   Posted: Mon Feb 03, 2014 8:57 pm   Subject: Topological Small Triambic Icosahedron
What materials do you use?
  Topic: Hexpropello Dodecahedron
oxenholme

Replies: 1
Views: 7730

PostForum: Polyhedron Models   Posted: Mon Feb 03, 2014 8:56 pm   Subject: Hexpropello Dodecahedron
Those look superb!
  Topic: Help with MW63
oxenholme

Replies: 22
Views: 38116

PostForum: Polyhedron Models   Posted: Mon Feb 03, 2014 8:52 pm   Subject: Help with MW63
I would be nervous about using hinges if only because in time the cement would cause the card that I use to distort.

Maybe this is because balsa cement is a tad powerful?
  Topic: How do I make this little beauty, please?
oxenholme

Replies: 9
Views: 41532

PostForum: Polyhedron Models   Posted: Tue Apr 16, 2013 6:24 am   Subject: How do I make this little beauty, please?
--.
  Topic: Great Icosahedron - complex core
oxenholme

Replies: 6
Views: 16501

PostForum: Stella Forum   Posted: Tue Apr 02, 2013 1:58 pm   Subject: Great Icosahedron - complex core
There is a picture of mine on Facebook. It is completely rigid and very near perfect.

My Small Stellated Dodecahedron likewise has no internal reinforcement and is rigid.

You have to be VERY a ...
  Topic: Great Icosahedron - complex core
oxenholme

Replies: 6
Views: 16501

PostForum: Stella Forum   Posted: Tue Apr 02, 2013 12:12 pm   Subject: Great Icosahedron - complex core
Ensure that you close any gaps at all 12 vertices and at all 20 re-entrant vertices.

The polyhedron should then be completely rigid and not need any internal reinforcement.
  Topic: Gilson: Polyhedra - A New Approach
oxenholme

Replies: 19
Views: 28769

PostForum: Polyhedra   Posted: Mon Nov 05, 2012 4:35 pm   Subject: Gilson: Polyhedra - A New Approach
Vive le difference!

I didn't realise Stella could "do" this one.

It is quite amusing seeing all the data correct to umpteen decimal places.

I divided the 360 degrees into 14, and us ...
 
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