Customized version of http://www.thingiverse.com/thing:1729060

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1729060

Using the following options:

base = 0
height = 4
sink = 3.1
spacing = 10
$fn = 12
nutsides = 6
width = 10
bezel = 2
holesize = 4
nutsize = 8
holes = 1
nutrotation = 30
length = 18