Warp wrote:
> 
> Alan <man### [at] freeukcom> wrote:
> : Would it be possible to create a command that's a cross between
> : cylinder and disc so that I can specify an inner radius for an
> : 'open' cylinder without going CSG?

> You can easily make a #macro for this.

#macro Macaroni(Start,End,OuterRad,InnerRad)
  #local vA=vnormalize(End-Start);
  difference {
    cylinder { Start,End,OuterRad }
    cylinder { Start-vA,End+vA,InnerRad }
  }
#end

Regards,
John

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