You can import 2D DXF or DWG files as reference sketches.
To import 2D DXF or DWG files as reference sketches:
1. Click Open or File > Open.
2. In the Open dialog box, set File of type to Autodesk AutoCAD Files (*.dwg;*.dxf), browse to the file, and click Open.
3. In the DXF/DWG Import dialog box, under Import to a new part as, select 2D sketch and Import as reference.
The software imports the DXF or DWG file as a reference sketch.
Please note that you cannot edit a reference sketch.
To enable editing sketch:
In the FeatureManager design tree, right-click the reference sketch and click Make Edit Sketch. The software converts the reference sketch to a regular sketch and you can edit it.