Customized version of http://www.thingiverse.com/thing:26596

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=26596

Using the following options:

thickness = 3
frame = 10
box_z = 100
box_y = 80
box_x = 80
struts_width = 3
struts_number_z = 7
struts_number_y = 7
struts_number_x = 7
sides_angle = 45
pad_radius = 10
bottom_angle = 45
pad_heigth = 0.5