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Can 3D printing be used for this task to make the repair any easier or more successful to complete than simply cutting a piece of plastic and (again, somehow) affixing it to the shelf? Yes. 3D printed parts can be plenty strong enough to handle the kind of load you're considering. You'll need to create a 3D model of the part you want it a CAD program, which ...


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For the AliExpress part, open a dispute and attach pictures to the dispute and ask for a partial, reasonable discount. It always worked for me. As for how to test the motors themselves, it depends on what other hardware you have. For example, you could wire the motors to your printer board, and try to issue a G6 command to that motor. If you find issues ...


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If you need it to hold the thermistor in place, there are thermally conductive electrically insulating potting compounds, such as Appli-Thane® 7300 Urethane that have a temperature range of -100 to 160 °C. The newest CPU thermal pastes contain silver particles and will conduct electricity. So, it needs to stay away from leads and pads that don't want to be ...


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The plastic looks ok. If you get the tools and pins to work on the connector, you could replace problem pins. Many of us build our own cables. If we verify the connector is Molex, you might need calipers to measure dimensions to get the correct size. You won't need expensive ones. I've seen digital calipers from \$10 to \$20. Have you already verified ...


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I would be far more worried about damage to the wire insulation (i.e. are they nicked/cut at all or just scuffed up?) as that could potentially lead to a short circuit situation against your frame etc. Assuming no serious cable damage, motors can take a fair amount of mechanical abuse so I'd just put them through their paces with short (a few seconds) ...


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This is one of those tricky problems where the form of the repair and the materials that you need have to go hand in hand - you need a way to fix the new rail to the shelf and you need the repair to be strong enough to do it’s job. Perhaps consider screwing the rail to the shelf - cyanoacrylate adhesive is good for 3D prints but doesn’t like low ...


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