...
Hangprinter is an open sourced RepRap machine that uses walls and other surfaces as a frame. It literally hangs and prints. It makes a build volume an obsolete concept.Hangprinter presentation:
Here it is a building tall tower:
Project pages:
http://hangprinter.org/
https://vitana.se/opr3d/tbear/
http://reprap.org/wiki/Hangprinter
...
