I know that if I start Civil 3D and create a drawing, I can export to a 2010 dwg and it will convert the civil objects. I also have the 'Civil 3D as AutoCAD 2013' icon installed. Drag-and-drop the newly command to any toolbar. I have my file save in options set to save as 'AutoCAD 2010/LT2012 Drawing (.dwg)'. Export some chosen objects into DXF file Saveas. dxf is automatically attached to the file name.

Choose folder and enter file name to save Press Save. In the dialog box Save Drawing As, at list box Files of Type, choose the format DXF. lsp file is, and it will appear in the list.įurthermore, to assign the routine to a toolbar button, type again CUI, click on Create New Command button, change it's Name and Images as desired and type ^C^C_savedxf in Macro. Enter Saveas command, dialog box Save Drawing As appears. Scroll down to the LI SP Files category in the Customization in All Files column, right-click on it, and choose Load Lisp from the context menu. lsp with a text-editor such as Notepad and replace the savedxfon the first line as desired.įinally, to automatically load the routine every time a drawing is opened, type CUIin the command line. Otherwise, it will remain in it's original location. If the active drawing has never been saved before, it will be saved by default in C:\Users\your_user_name\Documents. It will save the active drawing as DXF and close it without any prompt/warning, regardless it was originally a DWG or DXF.

lsp file into the drawing, select Always Load and type savedxf in the command line. Please download the Lisp routine attached in a location that you will not change.