Customized version of http://www.thingiverse.com/thing:193647

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=193647

Using the following options:

drive_type = socket
type = nut
facets = 6
non_thread_diameter = 0
nut_thread_step = 2
step_shape_degrees = 45
head_height = 5
head_type = hex
outer_diameter = 14
inner_diameter = 8
texture = exclude
nut_diameter = 12
head_diameter = 12
thread_step = 2
resolution = 0.5
nut_thread_outer_diameter = 9
nut_height = 6
nut_step_shape_degrees = 45
thread_outer_diameter = 8
drive_diameter = 5
thickness = 2
slot_depth = 2
nut_resolution = 0.5
wing_ratio = 1
thread_length = 50
non_thread_length = 0
slot_width = 1
nut_type = wingnut
countersink = 2