A robotic positioning apparatus (10, 110, 210, 310, 410, 510, 610) configured for moving an element from an initial position to a target position, the apparatus (10, 110, 210, 310, 410, 510, 610) comprising: a moveable member (12, 112, 212, 312, 412, 512, 612) suspended from a support structure (28, 29, 328, 329, 428, 429, 529, 628), wherein the moveable member (12, 112, 212, 312, 412, 512, 612) is attachable to the element to be moved; at least three substantially parallel tensile support members (14, 16, 18, 114, 116, 118, 214, 216, 218, 314, 316, 318, 414, 416, 418, 514, 516, 518, 614, 616, 618) operable to support the moveable member (12, 112, 212, 312, 412, 512, 612), wherein each tensile support member is suspended from the support structure in a substantially parallel arrangement and each tensile support member is connectable to the moveable member in a substantially parallel arrangement such that upon moving the moveable member parallel disposition of the tensile support members is maintained; and at least one tensile positioning member (20, 22, 24, 26, 120,122, 124, 220, 222, 224, 226, 320, 322, 324, 420, 422, 424, 520, 522, 524, 620, 622, 624) operable to reposition the moveable member (12, 112, 212, 312, 412, 512, 612), and to maintain each tensile support member (14, 16, 18, 114, 116, 118, 214, 216, 218, 314, 316, 318, 414, 416, 418, 514, 516, 518, 614, 616, 618) in tension; wherein the at least three substantially parallel tensile support members (14, 16, 18, 114, 116, 118, 214, 216, 218, 314, 316, 318, 414, 416, 418, 514, 516, 518, 614, 616, 618) are configured to control an inclination of at least a portion of the moveable member (12, 112, 212, 312, 412, 512, 612) during repositioning. a moveable member (12, 112, 212, 312, 412, 512, 612) suspended from a support structure (28, 29, 328, 329, 428, 429, 529, 628), wherein the moveable member (12, 112, 212, 312, 412, 512, 612) is attachable to the element to be moved; at least three substantially parallel tensile support members (14, 16, 18, 114, 116, 118, 214, 216, 218, 314, 316, 318, 414, 416, 418, 514, 516, 518, 614, 616, 618) operable to support the moveable member (12, 112, 212, 312, 412, 512, 612), wherein each tensile support member is suspended from the support structure in a substantially parallel arrangement and each tensile support member is connectable to the moveable member in a substantially parallel arrangement such that upon moving the moveable member parallel disposition of the tensile support members is maintained; and at least one tensile positioning member (20, 22, 24, 26, 120,122, 124, 220, 222, 224, 226, 320, 322, 324, 420, 422, 424, 520, 522, 524, 620, 622, 624) operable to reposition the moveable member (12, 112, 212, 312, 412, 512, 612), and to maintain each tensile support member (14, 16, 18, 114, 116, 118, 214, 216, 218, 314, 316, 318, 414, 416, 418, 514, 516, 518, 614, 616, 618) in tension; wherein the at least three substantially parallel tensile support members (14, 16, 18, 114, 116, 118, 214, 216, 218, 314, 316, 318, 414, 416, 418, 514, 516, 518, 614, 616, 618) are configured to control an inclination of at least a portion of the moveable member (12, 112, 212, 312, 412, 512, 612) during repositioning.