A method for rapid prototyping by using linear light as sources employs DLP (Radiation Hardening Formation) or LCD, together with the portable devices and linear light source to treat the raw material in two stages. The first stage is to spread the raw material to a selected zone by nozzles or rollers...http://www.google.com.au/patents/US7158849?utm_source=gb-gplus-sharePatent US7158849 - Method for rapid prototyping by using linear light as sources
