Customized version of http://www.thingiverse.com/thing:148722

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=148722

Using the following options:

tolerance = 0.2
lid_length = 30
inner_length = 120
pen_thickness = 7
font_scale = 2.1
tip_diameter = 4
helper_tabs = 1
inner_diameter = 3.5
word = NuNus
object = 2
font_spacing = 0.81