Samsung phones stepper motor control

The movement of the smart phone covers in this advert was provided by a series of stepper motor controlled rigs that I made whilst at Machine Shop Special Effects. It was possible to link the rigs with the film crew's camera motion control system, to keep it perfectly in sync with the 1fps stills camera sequences.

I also made the miniature crane grabber mechanism, and operated the crane! (around 1:08)

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