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M. Free Sketch

Used to create sections with an outer boundary of any shape with a number of internal openings if required.

Free Sketch data files can saved in either one of two formats. <filename>.CNS is a binary file format which is the most compact and preferred way to store files. Alternatively, files can be stored as <filename>.CON, stores the file in an ASCII format which can be opened and edited by any text editor, such as Windows Notepad.