The green plate can be flipped to 4 directions around its four bars. The temporary rotary axes of the plate depend on the positions of the pink stoppers that are controlled by 4 solenoid locks of 3 positions (in orange). The stoppers also prevent axial displacements of the bars thanks to circular grooves on the bars.
The blue motor, yellow and violet bars raise the plate to flip.
They are connected to the plate and the base via Hook’s joints. The motor is fixed to the yellow bar and the motor shaft to the red cross.
Motions of the stoppers and violet pistons are programmed to get right coordination.
Weakness: the motor is not grounded.
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