Gear bearing Bq Filament holder

Simply another spool holder for bq filaments... (hole 53mm)
Based on: http://www.thingiverse.com/thing:53451

see it in action: https://youtu.be/1Cl4K4ngBSM

For my printer's tolerance those are the options used in gear bearing generator:

number_of_teeth_on_planets = 7
nTwist = 1
tol = 0.35
number_of_planets = 5
approximate_number_of_teeth_on_sun = 9
w = 6.7
P = 45
T = 15
D = 52.8