Customized version of http://www.thingiverse.com/thing:45132

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=45132

Using the following options:

numberOfSidesB = 5
connectType = A
thicknessB = 1
linkAdjust = 4
centerExpandC = 2
numConnectorsA = 2
randomSkewOnB = 1
eyeletSize = 2
diameter = 62
twistC = 360
randomRotateOnB = 1
densityB = 2
randomScaleSkewB = 15
linkWidth = 3
linkLength = 15