On 29/06/2012 01:54 AM, Darren New wrote:
> On 6/24/2012 23:52, Patrick Elliott wrote:
>> Still, you can get a version of Wings, from here:
>
> I must say that SketchUp was the first (and only) modeler I've ever used
> where I wasn't manipulating the modeler's data structures. I didn't have
> to know anything about how it's represented internally. You want a box
> with a circle drilled thru it? Make a box, draw a circle, push the
> circle out the other side. You're done.

...except that, eventually, you discover that your "circle" is actually 
an N-gon. Which seems an unfortunately break in the modeller's 
abstraction...

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