The IMp model shown from a side view (A), front view (B), top view (C) and without the stabilizing case exposing the pivot arm wherein the specimen is placed (D). Figure labels and abbreviations: pivot handle (1), 8 tooth gear (2), worm gear (3), connector peg that holds and rotates the specimen (4), axis of movement 1 (A1), axis of movement 2 (A2), axis of rotation 1 (R1) and axis of rotation 2 (R2).