An improved selective deposition modeling method which produces a cold weld joint in an object formed by dispensing a single phase change material. The cold weld joint can be controlled so that a lower portion of the object can serve as a support structure for forming the upper portion of the object....http://www.google.com.au/patents/US6572807?utm_source=gb-gplus-sharePatent US6572807 - Method of improving surfaces in selective deposition modeling
