In article <sQy### [at] econymdemoncouk> , Mike Williams 
<mik### [at] nospamplease>  wrote:

> I confirm this. The effect seems to happen with any inverse
> sphere_sweep, or any difference {something, sphere_sweep}. The normals
> in the inverse sphere_sweep are not the inverse of the normals of the
> sphere_sweep.

This suggests the normals are not inverted (at all?) because a difference is
simply an intersection with the inverted object and thus the cause of both
problems is identical.

    Thorsten

____________________________________________________
Thorsten Froehlich, Duisburg, Germany
e-mail: tho### [at] trfde

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