From SYCODE: Mesh Booleans for AutoCAD is a mesh boolean modeling plug-in for AutoCAD. Mesh Booleans for AutoCAD gives AutoCAD the ability to perform boolean operations between PolyFace Meshes, Polygon Meshes and 3D Solids or a combination of all. You can union, subtract or intersect two meshes, two solids or a mesh and a solid. You can even carry out boolean operations on sets of meshes and solids at once.
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