JavaScript must be enabled in order to use this site.Please enable JavaScript in your browser and refresh the page. Import the CAD drawing The CAD file you import is located in your RAM Concept program directory. Import the CAD file Choose File > Import Drawing. Select the CAD drawing file mat_tutorial.dwg [mat_tutorial_metric.dwg]. The File Units dialog box appears. Select Inches [Millimeters] (the units used in the CAD file) and click OK. Parent topic: Mat Foundation Tutorial