Printrbot Stress Relief Ring
thingiverse
I liked cbordies' <a href="https://www.thingiverse.com/thing:910309/" target="_blank">Stress Relief Arm w/ tab</a> model, but when I printed it I found that due to the open side it flexed a lot. So I remixed it in Meshmixer to complete the ring. Of course you do need a way to open the ring to allow the cables to pass through. I printed with NinjaFlex SemiFlex 1.75mm filament at 240C. I left a slight gap in the model between layers where the ring meets on the side with the screw hole. It will likely merge together during printing, but you can easily cut a flexible filament with a sharp Xacto knife. T Now you can separate the ring to allow the wires through, and seal it when you fasten the screw to the printer. I will use a small metal washer on top to help keep the fastener from passing through the flexible part.
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