Save 2-D Part as DXF File
Drawing > Save/Print > Save as 
> 2-D part DXF/DWG
With this function, 2-D parts can be saved in DXF or DWG format . 
In addition to the DXF or DWG format, you are also allowed to select a file for the settings of the 2-D DXF export as shown below:
Confirm with OK.
