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

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

Using the following options:

y5angle = 235
z4angle = 0
y1angle = 55
z7angle = 0
z6angle = 0
x8angle = 0
x6angle = 0
lengthOfArm = 50
y3angle = 125
y6angle = 270
y2angle = 90
z9angle = 0
z10angle = 0
shape = 30
y9angle = 0
x9angle = 0
z1angle = 0
y10angle = 0
outsideRadius = 10
y7angle = 305
x7angle = 0
x3angle = 0
x1angle = 0
z2angle = 0
y8angle = 360
x10angle = 0
insideRadius = 8
z5angle = 0
x4angle = 0
z3angle = 0
y4angle = 180
x2angle = 0
x5angle = 0