Customized version of http://www.thingiverse.com/thing:40705

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=40705

Using the following options:

sign_size = 0
font_one_size = 60
manual_width = 100
font_two_size = 30
message_one = Stand Back!
manual_length = 100
icon = 2
hole_radius = 5
icon_size = 12
Font = write/orbitron.dxf
emboss_style = 1
message_two = We`re about to do science!
icon_rotation = 0