Originally posted on Thingiverse.com: Jul 28, 2011 - changed the z-scale a bit to be able to print it single walled 14 minutes 57 seconds [it should b...e able to print faster...] the credits for the design go to http://www.thingiverse.com/thing:9822 see also www.facebook.com/europerminutedesign
don't use fill
choose the right colours you like
print