Customizable Lee Loadmaster Turret Holder

#####Update March 28, 2022:
- The STL file has been updated to have deeper magnet recesses so that the 60x10x3 magnets specified would fit and be flush/slightly below flush.
- Updated the OpenSCAD file to "contain" the polyhedron model of the turret. This means that the stl is not really needed any longer if you plan to use the default stl file attached. If no "STL File Location" is specified then the default turret will be used. If a file is specified the OpenSCAD will attempt to use that.

NOTE: You will have to Render (F6) the model to see any changes, just a preview (F5) will not work


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#####Update March 20, 2022:
- Update the text to be baseline aligned instead of centered (should have done that from the beginning, my bad)
- Adjusted the vertical text alignment default value and range since the text alignment was changed to baseline.

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I based this off the already great Lee Loadmaster Turret holder (htt