Bezier Mesh Surface V0.8

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In Japanese anime, characters display embarrassment via red cheeks and question marks above their heads. Similar to this realization, I discovered that OpenScad features a polyhedron object. This simplifies the process in test_bezier.scad by including DisplayBezSurface(mesh) for surface drawing using polyhedron placement of triangle patches. Consequently, the final stage becomes easier as we can construct an appropriately shaped polyhedron for desired thickness instead of projecting a polygon. Post this modification, version 0.9 will be released, and 1.0 will include neat library files. This technique allows creation of any parametric surface, including b-spline and more. So download the files, run test_bezier.scad, admire the pretty picture, and rejoice!