The 3Di2XT (3Di to parasolid) was developed to speed up the importation of large data sets into programs such as SolidWorks that use the parasolid modeling engine as their kernel.
Artwork's STEP output can be imported into SolidWorks but the speed at which large files are imported is quite slow and as PCBs and packages get larger and more complex, the import speed became a critical bottleneck.
Artwork also has a direct API based importer but this approach also suffers from the same speed issues when importing a large number of solid bodies into the same part.
In the video below we demonstrate how to go from a PCB (layout in ODB++) to parasolids and then import into SolidWorks.
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