MassPlus

Free DWG/DXF/DGN viewer with Area, Centroid, and some area properties. Licensed version calculates other properties. Calculates area properties of AutoCAD 2D drawings and DXF files. Output consists of area, centroid, perimeter, moments of inertia, radius of gyration, elastic and plastic section modulus, product of inertia, maximum section width and height, and other values. Export results to CSV file which can be opened by Excel. User may later import CSV into drawing using Import Ole Object AutoCAD command. Integrated viewer and batch printing.

MassPlus V7.0 now supports splines in addition to lines, arcs, circles, and polylines. Direct interface with AutoCAD is now supported. Selected AutoCAD entities are displayed in the MassPlus graphics window. Customizable units of measure for drawing and converted values. Demo provides accurate values for Area and X-value of the centroid. Double the accuracy from previous versions.