Customized version of http://www.thingiverse.com/thing:1159436

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1159436

Using the following options:

organic = 3
steps = 6
show_target_circle = yes
holeRadius = 2
random_seed = 8675309
fuzzy = 5
branchy = 5
nozzle = .4
loop = yes
ringed = 5
custom_seed = 0
fat = 5
plate_diameter = 233
thickness = 1
wide = 5
rotateAngle = 0
sharp = 5
full = 5
show_plate_circle = no
target_diameter = 100
scaleFactor = 1
long = 5
loopRadius = 4