5、完成了全部零部件的三维实体建模、装配以及工程图。关键字:快速成型;FDM;加热挤出头全套图纸,加46ABSTRACTThefuseddeposition rapidprototyping technology (FDM) is one of the athomeandabroad themostwidelyused rapidprototypingtechnology.Itcan quicklyandaccurately DesignideasfromtheCADmodelmaterializedasprototy