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A video of this initial prototype is shown below:VIDEO
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From this prototype, we were able to get a better understanding of the various locations of play in our system. We wanted to make our final prototype more robust, by having everything press fit to reduce play. We also wanted to 3d print the two halves of the gripper to ensure that those components were fully rigid. With these 3d printed grippers, we could also design the gripper to take the shape of the water bottle lid, which would keep the bottle in line with the gripper. Dr. Yuke Zhu also gave us feedback that our mechanism was a little too large. We decided we could scale down the overall design, and remove the part of the slot that was unused.
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