In article <3AEB0258.E8ACF6A1@rz.uni-karlsruhe.de>, Jens Neumann 
<gs3### [at] rzuni-karlsruhede> wrote:

> Hello everyone,
> I want to use some curved arrows in a picture.
> I don't want to use a difference between a torus and a box.
> Does everyone have an idea ?

Well, how about a difference between a torus and two planes?
Why don't you want to difference a box from a torus? That method is 
perfectly ok...I think your only alternative to a torus CSG of some sort 
would be a bunch of cylinders and spheres used to imitate a torus, an 
isosurface, or a mesh, all of which would be a lot harder and take much 
more memory, and render slower.

-- 
Christopher James Huff
Personal: chr### [at] maccom, http://homepage.mac.com/chrishuff/
TAG: chr### [at] tagpovrayorg, http://tag.povray.org/

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