Hi(gh)!

Am 30.09.2011 21:53, schrieb Le_Forgeron:

>> In addition, are you sure you cut the cylinder and torus properly?
>
> If, as I now think, he used a translation of the clipping plane, the
> answer is no. (a rotation should have been used)

The cylinder is not cut at all, but defined according to the length of 
the straight rail piece, with equal y and z coordinates respectively at 
beginning and end, so there is no distortion. The torus is defined in 
default position, i. e. parallel to the x-z plane and cut by two boxes 
rotated only around the y axis, so the cut planes are always circles, 
not ellipses!

See you in Khyberspace!

Yadgar

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