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:

thickness = 2
nut_thread_outer_diameter = 13
outer_diameter = 14
head_height = 5
drive_type = socket
nut_resolution = 0.5
type = nut
non_thread_length = 0
inner_diameter = 8
wing_ratio = 1
thread_length = 25
nut_type = normal
head_type = hex
texture = exclude
thread_step = 2
drive_diameter = 5
nut_step_shape_degrees = 45
nut_thread_step = 2
nut_height = 7
thread_outer_diameter = 8
facets = 6
countersink = 2
nut_diameter = 16
slot_depth = 2
head_diameter = 12
step_shape_degrees = 45
slot_width = 1
non_thread_diameter = 0
resolution = 0.5