Customized version of http://www.thingiverse.com/thing:2318105

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=2318105

Using the following options:

crosscut_angle = 0
text_depth = 0.8
mode = single
slot_width = 2
slot_length = 6
text_font = Helvetica:black
$fn = 200
text_size = 4.0
slot_depth = 2.8
clearances = [0.5, 1,]