Models AutoCAD: 3D & 2D 1 11 0 Inventor - Drawings (Parts and Assemblies) 9 28 2 Inventor: Double Cardan Joint (Modelling and kinematics) 16 195 1 Inventor: Elbow Pump (Modelling and Kinematic) 24 46 1 Inventor: Rack Joint (Modelling & Kinematics) 11 28 1