Developed section for AutoCAD Animated demo

An add-on for AUTOCAD, which determines the developed (unfolded) section of one set of 3DSOLID, 3DMESH or 3DFACE entities and vertical planes passing through a 2D POLYLINE which may contain arcs, in XOY plane.

The video contains two examples.
In the first example is obtained the unfolded section through a bridge having two openings. The polyline of intersection also contains arcs.
In the second example, an unfolded intersection is obtained through a wooden beams house.
In both examples is shown how to obtain not-unfolded sections, along a polyline.

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