Customized version of http://www.thingiverse.com/thing:40703

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=40703

Using the following options:

pattern_radius = 16
build_plate_selector = 0
pattern_shape = 30
case_thickness = 1.8
pattern_overlap = 10
pattern_thickness = 3
iphone_version = 2
pattern_rotation = 0