Customized version of http://www.thingiverse.com/thing:330855

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=330855

Using the following options:

jewlery_loop_count = 1
thickness = 4
first_letter = R
border = 4
font_weight = 4
third_letter = S
letter_spacing = 1
radius = 21
jewlery_loop_position = 0
resolution = 32
jewlery_loop_thickness = 2
second_letter = B
backing = 0
buildplate_selector = 0