Customized version of http://www.thingiverse.com/thing:379920

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=379920

Using the following options:

$fn = 80
sphereRadius = 35
thickness = 1
switchlenwid = 5.99
meltage = .25
switchtotalheight = 9.5
chamfer_radius = .75
switchbuttondiameter = 3.51
domeText = LAUNCH
switchbaseheight = 3.61
ridge = 6