<p>A U-Joint is basically a flexible axle. They are often used in automobiles. I printed mine in PLA with fairly standard settings. The model can also be scaled up or down to your liking.<br><br></p><p>Video: <a rel="nofollow" target="_blank" href="https://www.youtube.com/watch?v=NwT__Klpi40">https://www.youtube.com/watch?v=NwT__Klpi40</a></p><p>Thingiverse: <a rel="nofollow" target="_blank" href="http://www.thingiverse.com/thing:413620/#instructions">http://www.thingiverse.com/thing:413620/#instructions</a></p><p><br></p><p>Print "universal_joint_main.stl" at 5% infill without supports or raft.<br>Print "universal_joint_handles.stl" at the same setting as above.<br>Print "universal_joint_ball.stl" at the same settings just WITH supports.<br>Print "universal_joint_pegs.stl" at 50% infill on high resolution.</p><p>After you print out the parts, place them in their correct orientation and position. From there, hot glue the pegs into the sphere; though the main pieces. Then, hot glue the handles on.</p>
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