Metal "MB" HotEnd for 1.75mm filament
by rp_one_labs, published
Based on Makerbot Stepstruder Mk7 hotend. Nozzle has Makerbot's modern Mk8 geometry, 0.4mm orifice diameter, but slightly larger than Mk8 outer hex size (7.9mm instead of 6.5mm because it was machined in USA from inch size stock). SS thermal barrier also similar to one used in Stepstruder. Part of the credit goes to Makerbot, which is why I call it "MB".
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No, it is not in production. I needed to optimize production cost to make reasonably priced product, and high quality too. That effort took me as far as getting new expensive cnc equipment... but I have not got it yet... therefore this and some other projects are delayed. Hopefully not for long.
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