This is an accurate model of Brancusi's Endless Column in Tirgu Jiu Romania.

http://www.flickr.com/photos/alinfoto/2053371970/

This is printed on a modified Makerbot Cupcake. Print height is a smidgen over 200mm. Even at that height it is very narrow, and pretty much impossible to print cleanly unless you have some sort of super-slow extruder.

To print this on the Makerbot Cupcake, you need this Z-axis lifter kit:
http://www.thingiverse.com/thing:4716