A geometric end effector system for use on a robot. The system includes a platform (12) and a frame (14) secured to the platform (12). At least one base (16) is arranged at a predetermined position on the frame (14). The system also has an anchor mount (20) secured to the base (16) and a component (36) connected to an end of the anchor mount (20) by a collar assembly (40). A key (52) is arranged between the component (36) and the anchor mount (20).