If you’ve spent any time whatsoever in SketchUp, there is a better-than-average chance you may have a ball within Autodesk 123D. The brand new Windows-based program — which quietly slid into beta multiple weeks ago — is a gratis, stripped-down version of Autodesk’s famed Inventor application, however still offers a plethora of design tools for something that’s being given away totally free. We’re told that just the fundamentals are here, and sadly, it is not open source; that said, it does have an option for exporting to STL, and you’ll find support for assemblies and constraints. Desirous to throw something else for your 3D modeling toolkit? Hit the links below to start, and be at liberty to study your wallet on the door.
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