Customized version of http://www.thingiverse.com/thing:149378

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=149378

Using the following options:

font_scale = 1.5
y_corner = 22
height = 20
word = 3D CUBE
helper_tabs = 0
x_steps = 2
y_steps = 4
font_spacing = 0.81
length = 75
width = 50
object = 1
tolerance = 0.45
thickness = 3
x_corner = 16