The issue does not seem to occur with AutoCAD 2010 (see information below)

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Problem: Unable to revolve the selected object error at the AutoCAD command line.

There is an issue with the AutoCAD 2007, AutoCAD 2008, and AutoCAD 2009 REVOLVE command (see AutoCAD2009.avi in attached ZIP file). CADWorx calls AutoCAD commands (in background) to generate AutoCAD shapes used to represent CADWorx components. If AutoCAD has an issue generating the shape, CADWorx will not be able to create the shape (see CW-Revolve-AutoCAD2009.avi in attached ZIP file).

Solution: This issue does not seem to occur in AutoCAD 2010 (AutoCAD2010.avi and CW-Revolve-AutoCAD2010.avi in attached ZIP file)