Customized version of http://www.thingiverse.com/thing:551484

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=551484

It's just a regular box. I experimented with the color(s) a little bit

Using the following options:

cover_internal_height = 8
cover_wall_thickness = 3
part_selector = 3
cover_external_height = 20
base_height = 30
external_length = 80
external_corner_radius = 20
external_width = 80
cover_printing_y_offset = 10
cover_thickness = 3
cover_internal_margin = 0.5
bottom_thickness = 3
wall_thickness = 3