OpenSCAD V-rail extrusion library

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This lightweight library for use in OpenSCAD produces the V-Rail extrusions used in a lot of projects. This particular version is kept small and fast by re-using the most basic repeated geometry present in the rail. Since the math is kept to a minimum, it will render and display quickly. Usage: * Place file in your OpenSCAD library folder or local project folder. * Add the library to your project. `use <v_rail_extrusion.scad>;` `v_rail_extrusion(size, height, smoothing);` Parameters: * size (in mm) the profile size (square) of the extrusion default: 20 * height (in mm) the length of an extrusion to produce default: 100 * smoothing (boolean) smooth the outer corners of the extrusion? default: true