robotic arm puzzle update v2

There's no building involved in this puzzle, all objects must be manipulated by the robot arm.

Controls: Rotating widgets control "elbow" and "wrist" rotation.
Top slider open grabber.
Middle slider extend arm.
Bottom slider move base.

You need to get three Cylinders through the trap door.

Hope you like it :)

Now with gyroscopic selfe leveling grabber.