Yes, I could see those rods being useful. There are lots of great scavenging opportunities in discarded/obsolete products. Magnets from hard drive actuators are pretty amazing... I worked in that industry too and it was by far the most technically amazing product I was exposed to. You can develop some incredible stuff when the cost is spread over billions of products. Integrated circuits set the bar there...
If the market for hobby 3D printers was as big as it used to be for ink-jet, we'd all be printing eggs, meat, and vegetables while complaining about the cost of the print cartridges!
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