"Thomas de Groot" <tDOTdegroot@interDOTnlANOTHERDOTnet> wrote:
> I need a CSG object that basically has the shape of a cone, but with the
> apex as a straight edge parallel to the base, with a length equal to the
> diameter of the base. I tried all kinds of combinations but am unable to get
> this right.

You might take two half-cones with point apexes, spread their apexes apart by
means of shearing matrix transformations, and fill the gap with a tetrahedrical
wedge.

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