Customized version of http://www.thingiverse.com/thing:1040899

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1040899

Using the following options:

top_thickness = 0.4
label_width = 6
wall_thickness = 1
inner_spacing = 0.05
label_length = 10
cable_diameter = 5
floor_thickness = 1
number_of_cables = 1
opening_width = 4