— Access the “Print” dialog by selecting the menu File > Print 
— In the list of printers select “SilicaCAD PDF Printer” 
— Using the button “Properties” configure the print parameters as a Custom printer, if necessary. 
— Set the scale, paper orientation, and print area parameters 
— Preview, if necessary, and launch printing 
— At the moment of printing you will be asked a name for the PDF file to be generated and its path