A.Design Type and software interface     * Eccentric gear, Ellipse gear, High-order ellipse gear, Transformative ellipse gear, gear rack     * Planet Gear B. Design Diagram (1) Non-circular gear: (2) Non-circular gear rack: (3) Non-circular planet gear (sun gear n1=6, 14 planet gears, ring gear n2 = 8) (4) Non-circular planet gear (sun gear n1=3, 7 planet gears, ring gear n2 = 4) >>>demo video (5) Non-circular planet gear (sun gear n1=2, 5 planet gears, ring gear n2 = 3)     Application of non-circular gears