knurled_tri-spinner_code-fixes

Updated 02/17/17:

Beta code here:
https://github.com/dannen/3d-spinner

current:
removed the debuging code
refactored the code (again)
added ROTATION to the outer rings
reduced the size of the cylinders that make the holes in the outer rings
removed a lot of unnecessary code

older:
Redid the math to better support spinners of 3 to 7 bearings.
Added color to better show the different functions.
Expanded fudge_factor to other loops in the code.
Added more comments to better expla