There is a bit of a trick to print the upper part of the dome. As you can se... But it works. :)

Customized version of http://www.thingiverse.com/thing:51874

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=51874

Instructions

Using the following options:

Font = write/Letters.dxf

Type = 1

Conversion = [1,29.5735,4.92892,14.7868,28.4131,5.91939,17.7582]

Units = 6

Label = 1 Msk

Size = 1

Thickness = 2

Category: Kitchen & Dining