This free lisp is useful while working with Land Survey Drawings. In CAD area command will not work on 3D Face. If you want to find out the area of 3d face you have to convert into a polyline. This free lisp will help you to convert 3D Face into 3D Polyline. If you have triangulation of your surface in CAD and want to find out surface area of your survey data, this lisp can be used. Note that 2D area and surface area are different and Surface area will always be more than 3D Area.
Download Compiled Lisp File:
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