In the contributed section of vpython.org there is this:
New objects <http://vpython.org/contents/contributed/bodies.py>: hollow
tube, frustum (cone with tip cut off), and partial sphere (Thom Ives)
These objects depend on the very general faces object, which in principle
can be used to build anything but in practice can be effortful.
I'll mention in this context that thanks to the work of Kadir Haldenbilen
that led to the new 3D text object, plus some additional experimenting he
has been doing, he and I think it will be possible to augment the curve
object to have an arbitrary cross section, easily created, which can include
holes. That's the good news. The bad news is that I'm consumed by other
professional work for the next couple of months that will delay the attempt.
Bruce Sherwood
On Fri, Jul 16, 2010 at 11:16 PM, Robert French <rf...@rf...> wrote:
> I would like to create a flat, circular plate that has a hole in it. It
> seems like I could create a solid circular plate using "convex" with
> sufficient points, or even "cylinder", but I can't figure out how to make
> the center empty. Any thoughts?
>
> Thanks.
>
>
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