Step 22Add a chair
I wanted to make my chair easily removable so the robot would be more usable if I wanted to use it to haul large objects. To achieve this, I created mounting system using aluminum cylinders that fit tightly into the square 1" x 1" steel tubing. Two pegs are mounted to the frame, and two to the chair. They insert into the corresponding cross-sections on the chair and frame. It takes a bit of finagling to get it on and off, but it does mount securely, which is important since movement of the robot is somewhat rough.
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