Customized version of http://www.thingiverse.com/thing:1474604

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1474604

Using the following options:

desired_units_for_output = 1
resoultion = 40
ignore_error_messages = 2
diameter_of_hole = .0625
units_entered = 25.4
radi_to_center_of_hole = .125
button_shape = 0
number_of_Colors = 1
number_of_holes = 4
height_of_button = .125
diameter_of_button = 1
rounded_center = 1