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I *think* i unclogged the printer correctly this time. Fingers crossed. Learned to remove the Bowden tube and use cleaning filament. Last attempt it stalled before the raft was done.
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YouTube is treacherous. Official Monoprice video shows correct procedure, but skips explaining how to remove the tube (you have to depress the blue plastic flange as I found from another video), but there's a lot of confident videos telling you to disassemble the whole damn head.
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It is truly humbling how much this very simple device can take you far beyond your sense of competence. Rheology is a bitch.
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Motors, electronics... they're conceptually simpler, and the gap between the textbook and reality is small. But when you're talking a gooey melty viscous fluid going through an extruder and then cooling and hardening on a plate.... textbook understanding doesn't get you far.
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Something I didn't realize in like 9 years of theory focused engineering school is just how much of what you need to know is basically only knowable through bug-fixing. Engineering education is 10% concepts/design/theory, and 90% bug fixing metis.
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Bugs also thoroughly violate your sense of proportions of value/investment. - The triviality of a bug has little correlation to how long it will take you to discover/fix it. That's entirely a function of experience. - The cost of the bug is often the value of the whole project.
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Bugs are basically insulting. They don't respect what you think you know. Only how strong your Fingerspitzengehfül for traversing the troubleshooting tree is.
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Hmm that makes you a tester/QA person rather than a full-stack developer/designer I think? I was pretty good at that too as PM. My software team used to complain that I’d find bugs within minutes of a new build that would likely not be found for months in production 😈
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