Customized version of https://www.thingiverse.com/thing:46095

Created with Customizer! https://www.thingiverse.com/apps/customizer/run?thing_id=46095

Using the following options:

insideRadius = 17
outsideRadius = 18.5
lengthOfArm = 60
shape = 30
x1angle = 180
x2angle = 0
x3angle = 0
x4angle = 0
x5angle = 0
x6angle = 0
x7angle = 0
x8angle = 0
x9angle = 0
x10angle = 0
y1angle = 90
y2angle = 45
y3angle = 0
y4angle = 0
y5angle = 0
y6angle = 0
y7angle = 0
y8angle = 0
y9angle = 0
y10angle = 0
z1angle = 180
z2angle = 135
z3angle = 90
z4angle = 0
z5angle = 0
z6angle = 0
z7angle = 0
z9angle = 0
z10angle = 0