Fabmistry , Aluminum window Application helps workers to calculate measurements easily Save time by calculating materials of regular Section/Aluminum Windows Default available window 18x40 2track 18x40 3track 1840x 4track Domal 27x65 2Track Just enter basic info of window like height and width and you will get list of materials with size and quantity. User can create their own windows with their own formula of cutting section. User can also download there report is pdf format and share wit