3D Vector OpenSCAD Library

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This is an OpenSCAD library for manipulating and visualizing 3D vectors, featuring functions like `magnatude_3DVector()`, `angleBetween_3DVector()`, and `normalize_3DVector()`. It also offers more complex vector operations such as testing angles and rotating one vector towards another. To use the library in your project, download the .scad file and place it in your OpenSCAD library folder or within the same directory as your project. At the top of your script, include `use <library_path>`. The library is also included in Customizer; just add `use <library_path>` to include it in your customizers. Additional functions include `dotProduct_3DVector()`, `crossProduct_3DVector()`, `rotMatrix_3DVector()`, `rotAxisAngle_3DVector()`, `trackTo_3DVector()`, and `random_3DVector()`. The library also offers a module, `drawArrow_3DVector`, for visualizing vectors as colored arrows, and another module, `drawArrowChain_3DVector`, for representing lists of vectors with a chain of colored arrows. Note that the `iterations_left` parameter in `drawArrowChain_3DVector()` should only be adjusted if necessary, as it controls recursion within the module.