Partorientationisoneoftheimportantfactorsinmanufacturingwiththreedimensionalprinting(3DP)ofrapidprototypingsystem.Theminimumbuildingtime,beingachievedbythepart’sminimumbuildingheightandminimumwidthin3DP’sydirection,issetastheobjectiveofoptimizingthepartorientation.Geneticalgorithmisadoptedtofindtheminimumbuildingheightofpartsandthenergodicsearchingisusedtogettheminimumwidthofpartinydirection.Acorrespondingprogramforoptimizingpartorientationin3DPwasdeveloped.Testsshowtheproposedapproachiseffectiveandfast.
