The assembled prototype! Purple was not my choice. It was simply what the 3D printing service at McGill gave us. Both the visible purple piece and the hidden insert are made of 3D printed plastic.
Rendering of the prototype assembly. The elastic return material is transparent in this rendering to show the inside of the mechanism.
Exploded view of the design. The slots are clearly visible, and you can see the tip of one fin on the top-most part.
Multiple concepts were explored and sketched. This concept was decided upon using a decision matrix.
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