Cartwheel (8 spokes)
thingiverse
The design is an 82mm diameter dished cartwheel with 8 spokes, a less refined version of my other wheel concept. Note that the spokes must be rotated 90 degrees to lie flat on the print bed, and have a bent section at one end which fits into the rim. The wheel benefits from some filing and sanding to remove printing imperfections and make it fit together smoothly. Press the spokes into the hub, ensuring they are oriented correctly - they should angle upwards from the flat base (back) of the hub, with bent sections fitting neatly into recesses on the back of the rim. If they're not installed properly, it will be obvious. After all spokes are in place, press down on the hub to secure them and flatten the wheel slightly. I recommend dry assembly followed by using Plastic Weld liquid to glue it - simply brush the liquid into joints for them to harden.
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