Xyzθ triaxial adjustment platform, the model through adjust the xy axis screw drive, through a belt angle of screw to adjust the Angle of theta, to adjust the height of the z axis whole body contains 1.x axis screw regulating mechanism 2. y axis screw regulating mechanism 3. the adjustment of the z axis screw Angle 4.theta Angle adjustment ************************************** Files format contains -solidworks 2017 -step -iges -stl -obj -3ds - and other formats ************************************** If you like,you can paypal for you to get this models or if you have any questions also you can email to me. **************************************