comparing two Free scripted CAD systems

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

On Fri, Jul 22, 2011 at 3:51 PM, Werner Almesberger
<werner at> 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:
> More details can be found here:
> - Werner

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


Jon Phillips
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