Autodesk Data Exchange Connector for Revit®
Share selected Revit model elements and properties with Autodesk and non-Autodesk applications.
Autodesk, Inc.Trace selected curves into closed polylines in AutoCAD.

Traces selected lines, arcs, and polylines to find a closed polyline. The TB command traces boundaries, while TJ traces the outside boundary of selected objects. SPLINE objects are not supported.
Traces selected lines, arcs, and polylines to find a closed polyline.
The TJ command traces the outside boundary of selected objects.
The vendor states that TB can be used for splitting a closed polyline.
The vendor states that TB can be used for converting a circle to a closed polyline.
311 plugins in AutoCAD · Documentation & Drafting
Price distribution: 80 free, 1 freemium, 230 paid
Share selected Revit model elements and properties with Autodesk and non-Autodesk applications.
Autodesk, Inc.Manage, draft, call out, and update office CAD details within AutoCAD.
Land F/XModels parametric piping supports in AutoCAD Plant 3D with adjustable sizing and customization.
Mirza SolutionsGenerates red-cyan 3D anaglyphs from Autodesk Inventor models.
ARKANCE CZ (CAD Studio)«TB- Quickly trace the boundary of selected objects. During a design job, sometimes you must create a boundary of the set of curves. Boundary command is work too slowly. This tool will help you in this situation. With the one command TB, you can trace and find out a closed polyline: Using Topology technology for …»