Looking for advice on creating a motorised ‘unfoldable’ shield for a cosplay build

Hi all!

I’m looking to create a costume piece that involves metal plates moving from the underside of the arm to create a shield on the top part of the arm. I’m sort of unsure of where to begin for a project like this.

Can anyone help me get the ball rolling with some ideas and hardware suggestions?

submitted by /u/QMadeye
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