Chris B wrote:

> Any ideas?

The objects section should be divided at least into semi-primitive 
objects, which do simple-but-common CSGs, and final objects, which 
represent actual things like chairs, tables, and so forth.

For instance, I have a macro which builds a cylinder that is chopped in 
half along the center axis, since this is an extremely common CSG in my 
work.  I also have a macro which takes a few parameters and builds a 
window frame.  Different levels of completeness here.

Regards,
John

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