Re: I Want An Easier, Faster, Better CAD Tool

On Tue, 15 Jul 2008 14:51:36 -0600, "nitnit" <no@[EMAIL PROTECTED]
> wrote:

>> Consider a simple cube with six NURBS faces.
>> Now put a hole in it ..... what became of 
>> those flat faces? 
>
>They are still there. 

  Yes, in the part's internal database though the usual
user does not know it.

>The surface definition remains unchanged.
>Interior trim boundaries were added to shell (or whatever; some 
>database entity defining the trimmed surfaces) definitions.
>Ref IGES type 144 Index 5 (PTI).

  Yep.
  One can learn a lot from IGES <VBG>.
-- 
Cliff