Tennis Ball Retriever
thingiverse
https://www.youtube.com/watch?v=qLQw8j031tM I created this tennis ball retriever so that I wouldn't have to stoop so much when picking up tennis balls when I practice serves. You need a 3" diameter poster tube, wide tape (duct tape, packing tape, or masking tape will work fine), and the 3d print to make the tennis ball retriever. I used the 30" Uline poster tube:http://www.uline.com/Product/Detail/S-912/Tubes/3-x-30-White-Tubes-with-End-Caps-080-thick The 30" poster tube has a capacity of 12 tennis balls. I printed the retriever with PLA on a Replicator 2 with 1 layer and 100% infill. I recommend using a raft when printing, because my first print attempt slipped off the platform, due the contact point of the retriever onto the platform being only a thin circle. I modeled the retriever in Rhino 5. I have a Gamma EZ Travel Cart, and a 30" poster tube with an attached tennis ball retriever fits comfortably in the carrying case alongside the folding cart.
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