Nickel Shuriken Fidget Spinner

I modified https://www.thingiverse.com/thing:1871876 to allow for insertion of two captive nickels instead of the bearings. I also shrunk the outer radius by 10 percent.
I included a render of the spinner with the original radius as well.

As with @Sliph's original design, you can compile it from the OpenSCAD file, but the minkowski processing on it takes a LONG time to render.

To Print: slice it and make a note of the layer where the nickel holes are first covered. Either split the slic