Cad Exchanger Cloud
I recently coded a new addon that uses CAD Exchanger to add several new file format import/export options to FreeCAD:
- Enable or disable access any time. CAD Exchanger Cloud is hosted on industry-leading Azure Cloud infrastructure, guaranteeing best-in-class security and sustainability. Your designs are protected by data encryption and SSL empowered transmitting. Make your CAD software work together.
- SimScale is a full-cloud CAE simulation software that helps you perform CFD, FEA, and thermal simulations for CAD models in the cloud.
- Some of the CAD file formats can carry PMI data (such as JT and STEP AP242, both supported in CAD Exchanger) and in latest CAD Exchanger Cloud release we added it’s support. At this moment CAD Exchanger only supports graphical PMI, the support of semantic PMI is already on it’s way.
- CAD Exchanger SDK. Level of Details (LOD's) Example. Custom Development GUI SDK CLI Web Toolkit Cloud IGES STEP Parasolid ACIS JT STL OBJ SolidWorks.
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https://github.com/yorikvanhavre/CADExchanger

CAD Exchanger is a paid application (you can download a 30-day trial for free). So far the price is not informed on their website, you must send them an email to ask, but they told me they are working on something easier *EDIT* There is now a link to the pricing page inside the CAD Exchanger application.
When the addon is installed (via the addon manager), you get a new 'CAD Exchanger' preferences page in Edit -> Preferences -> Import / Export. From there, you can enable any of the file formats supported by CAD Exchanger. You must also specify the path to your CAD Exchanger Converter executable. Then, by using any of the file formats from standard FreeCAD import/export (FreeCAD must be restarted before), the converter will be ran under the hood and will convert to/from the given format to Brep, which is OCC's native file format, which always gives an impeccable import in FreeCAD.

- CAD Exchanger does a pretty fast mesh-to-shape conversion, so you can use this to import, for example, an OBJ file directly as a Shape. So far everything gets triangulated, though.
- The biggest interest is the support for additional file formats not available in FreeCAD, for ex. Parasolid XT, Rhino 3DM or ACIS/SAT files.
- Screenshot showing the import of Revit families into FreeCAD through the ACIS SAT format.png (265.66 KiB) Viewed 11311 times