About this 3D model
just playing around and made this. turn the handle and the screw will lift the ball, dump it down a tube where it will return to the bottom of the screw again. two windows allow viewing of internal screw and ball.
just playing around and made this. turn the handle and the screw will lift the ball, dump it down a tube where it will return to the bottom of the screw again. two windows allow viewing of internal screw and ball.