The part of the umbrella that pushed the skirt open and was spring-powered.
The buttons that caused the servos to spin the pulleys and pull the weights up.
The mechanism that opened the skirt. The two weights attached to the umbrella mechanisms opened and closed the skirt as they moved up and down the track. The weights are attached to two servos that would wind them up or release them. The springs attached to the umbrella mechanisms would ideally restore the skirt as it closed up, but they were better at pushing the skirt out.
An early concept of the skirt in which we decided that it would expand at the sides rather than all around.
More conceptual sketches of the skirt, figuring out where the motors would go and providing early ideas for how it would open and what its sewing pattern would look like.
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