Customized version of http://www.thingiverse.com/thing:1879518

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1879518

Using the following options:

vPlay = 0
roundness = 2
outsideBearingRadius = 11
curveSizeAdjust = -0.4
insideBearingRadius = 11
hThick = 4
curveScale = 1.2
hPlay = 0.4
numberOfLegs = 3
curveOffset = 0
legLength = 30
bearingHeight = 7