For those who wish to try this tutorial, but do not have 3dsmax or Blender, you can still do it in any modeling package that supports a Cube primitive, and a Chamfer or Bevel tool at the vertex level.  Just start with a cube, then select all the vertices on that cube, and chamfer them into triangles until the vertices of those triangles are touching.  Then just average weld those vertex points together, and this is the shape I begin with in the 3dsmax tutorial.  Here's an illustrated screenshot of the process:

Once you have the starting primitive shape, it should be easy to follow along.  I'll release the Blender tutorial hopefully in the next 24 hrs.  Thanks.

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