State Key Lab for Manufacturing System Engineering, Xi' an Jiaotong University, Xi'an 710049, China;
College of Missile,PLA Air Force Engineering University,Sanyuan 713800, China;
State Key Lab for Manufacturing System Engineering, Xi' an Jiaotong University, Xi' an 710049, China;
Stereolithography (SL); Rapid prototyping (RP); Orientation optimization; Genetic algorithm (GA);