Create an Excel file with the OGL and PFL in CSV format and save to a new folder called BHKM3 in the C drive. Import the OGL and PFL CSV files into the design by going to Variables & Constants and Variable Data respectively. Define point styles like X-Y, X-dY, Dx-SL, and Int under the Points template. Name design lines and build the cross section template. Generate reports to calculate quantities for filling and cutting.