comparing two Free scripted CAD systems

Jon Phillips jon at fabricatorz.com
Fri Jul 22 22:54:17 EDT 2011


On Fri, Jul 22, 2011 at 3:51 PM, Werner Almesberger
<werner at almesberger.net> wrote:
> I made an experimental design that only used solids for a somewhat
> realistic object (a keycap/button) and compared how well OpenSCAD
> and Cadmium handled the task.
>
> The question wasn't only which is "better" but I also wanted to
> see whether I liked the general design approach and workflow.
>
> Both succeeded, but had a hard time with the fillets and chamfers.
> Cadmium turned out to be rather slow while OpenSCAD exhibited
> stability problems and the mesh it produced appears to have some
> defects.
>
> The CSG-only approach is probably also too limiting for this kind
> of design, so I'll try extrusion next.
>
> Pictures:
> http://downloads.qi-hardware.com/people/werner/cad/test1/scad.png
> http://downloads.qi-hardware.com/people/werner/cad/test1/cadmium.png
>
> More details can be found here:
> http://projects.qi-hardware.com/index.php/p/wernermisc/source/tree/master/cad/test1/README
>
> - Werner

This is great werner! Yes, there hasn't been a good free solid
modeling program like solidworks that is free software yet...

http://en.wikipedia.org/wiki/SolidWorks

http://www.solidworks.com/

Jon

-- 
Jon Phillips
http://fabricatorz.com/
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