Solidworks To Rhino

scrotum · February 22, 2013, 2:43am

JimC5:

slippyfish:

hatts:

To be clear, SW is also NURBS

Is this true? Is it a case of SW is NURBS, but NURBS isn’t SW? Does SW just not foreground the knot and vertex features as much as Alias or Rhino?

I thought “solid modeling” meant something else entirely.

No, “solid modeling” is only a theme for orienting the user interface and feature set. All CAD systems today use NURBS to build geometry, but a “solid modeler” never lets you do anything that leaves the model in a non-closed state. So the model is always at least theoretically manufacturable, but the workflow for making curvy shapes is unnecessarily convoluted.

Of course that definition is decades old and increasingly not entirely true, today “solid modeling” means history-based everything-plus-the-kitchen-sink mechanical engineering, and “surface modeling” means Rhino.

Not necessarily true, Alias is a history-based NURBS modeler.

BTW, you can download a 30-day trial version of MoI, a NURBS modeler from the same guy who wrote the original Rhino program.

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