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Very impressive. I’ve been struggling to get off OpenSCAD and into proper parametric modeling (am using Blender with CAD Sketcher since I just can’t abide FreeCAD), and after taking a look at the screencast you linked to, I will be giving this a go on both Mac and Fedora.

Do you/will you support STEP files?

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Any feedback is welcome. You can import and export step files. There is no support of assemblies, so I am not sure what you will get.

That’s fine. I do mostly 3D printing, so although I do have some interlocking models I don’t have awesomely complex geometry. But having STEP support ensures I can move my data about to some degree.

openscad is parametric, it is very parametric. by some tokens it is more parametric than the "proper parametric modeler" it is however missing a constraint solver. that would be my dream cad software, a proper scene description language to model in and a built in robust constraint library so you don't have to program your constraints from scratch.

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