This is the same as http://www.thingiverse.com/thing:153713
but with braille printed on each continent.
As: Asia
Eu: Europe
NA: North America
SA: South America
Au: Australia
An: Antarctica
Af: Africa

I printed mine in two parts to avoid support material. That gives a line through the equator which could be useful. I chose black and white because those who have some vision faster can find what is north and south.