Step 14Arms & Side Wheels
The waist piece is just some rubber foam matting I found at Target for $1.24 in the clearance section. I added the raised yellow pieces by cutting them out and wrapping them in bright yellow duct tape.
The thigh pieces both open in the back and are free standing. They have overlaping velcro closures and are reinforced by straps I found on an old baby front back pack. The velcro wasn't enough, as they would open when I tried to sit, so adding these straps was very helpful in keeping them closed. The design is just lines and dots, although I did add some shading on the outside to make it look more industrial.
As for the Arms, I was lucky that my Garage Junk included a Polycentric Hinge that I used to stabilize the upper and lower arms. See the attached design to help you visualize how the arms were created. Let me know if you have any more questions on the arms and some of the small details.
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