Unfortunately I think that machining the mold is still the hard part. But then, having never done one before, I could be wrong.
I drew this with a simple Mac CAD package called TurboCAD. They also make Windows versions. It's very inexpensive. After the $40.00 mail-in rebate, it cost me $60.00. It's not SolidWorks, but it also costs a fraction of the price.
Gene, I re-exported the DXF file so that it is now AutoCad 2004 format. Hopefully you can import either that or the IGES version.
-Mardy
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