especially when it comes to cheap chinese products, "never attribute to malice what can be attributed to cheapness" either in physical terms or design time terms - even designing things to be intentionally obfuscating is longer and more technical design thought
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Yea agreed - it's usually just easier, cheaper, and higher performance to do one-way assembly. Adhesives, ultrasonic welding, etc. are better than screws, two-way snap fits, etc.
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Replying to @NickPinkston @letkma
Only cheaper if you can externalize all the environmental costs.
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I don't think so. Modern landfill is cheap and green, and carbon taxes are cheaper. It also increases the rate of innovation, ie you want to go through consumer goods to push upgrades (and yea, this isn't true for everything, but most candidates for long term are already in use)
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Replying to @NickPinkston @letkma
I’ve done some modeling on this. Design for durability makes a huge impact on carbon impact, and design for repairability is one of the big levers there. The landfill is not the problem (sequestered carbon) it’s the fact that new things are made as fast as old things go landfill.
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Show us the model. I'm wondering what items you're repairing and if you're counting cost of labor (including you)
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Maybe give your best and a modest example? If not I remain skeptical of this approach for most things. I'd also watch your repair frequency assumptions along with full cycle manufacturing CapEx payback and incremental batch economics
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Replying to @NickPinkston @letkma
Sorry, can’t. This was a serious larger project involving several others. But Ellen MacArthur foundation stuff on circular economy has some broad strokes backgroundhttps://www.ellenmacarthurfoundation.org/circular-economy/concept …
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I'm not opposed to designing things to recycle, reuse, etc better, but my instinct tells me entropy will win and that carbon taxes + public R&D/venture funding are likely enough, and I'm unsure they'd come to this conclusion. Is your project going to be public?
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Nope. It’ll have impact or not mostly invisibly.
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Too bad - but hopefully something comes of it.
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