Customized version of http://www.thingiverse.com/thing:50261

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=50261

Using the following options:

rose_thickness = 1
rose_height = 5
rose_radius = 25
buildPlateType = 2
c = 10
b = 5
a = 11
curve = rhodonea
ring_adjustment = 0