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Solids only by extrusion/lathe? (by Oliver)
Just out of curiosity:

Can I get a solid only by extrusion (or lathe) a coplanar face?

IOW I can't make a tetraeder etc.?
Sat Feb 4 2017, 13:46:48
You can (by Nithin)
To create ANY solid, one needs only one entity, Points.
Sat Feb 4 2017, 16:51:09, download attachment tetrahedron.slvs
(no subject) (by Oliver)
the attachment tetrahedron.slvs seems to be constructed as the difference of extruded coplanar faces.

My question was whether I can put just six line segments between four points to get a solid.
Sun Feb 5 2017, 06:47:18
(no subject) (by whitequark)
Oliver, the answer is no, you cannot.
Sun Feb 5 2017, 08:38:42
(no subject) (by User1)
> whether I can put just six line segments between four points to get a solid.

This is definition how make polygonal mesh model.

Think, for such things you must use polygon editor. Blender is best free&open-source polygon editor! (use both SolveSpace & Blender)
http://blender.org/download
Wed Feb 8 2017, 12:58:34
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