In R4.xxx A new method was introduced to make it much easier to produce a solid printable object, from an admin border.
this video shows how to set things up.
DEM Earth geo-modifier, does the job of magically re-projecting the flat mapping used on the texture, to the extrude objects UV coordinates, in realtime. All you have to do is connect your texture, to the geo-modifier.
Once this is set up, you can make editable, and export for print,etc.