All metal hot end for UM2+

  • I got tired of replacing teflon insulation bushings and grinds on my UM2+s. I have several UM3 BB print heads that I don't use and with a little playing found that the adaption to a UM2 is very easy. I'm currently printing with ABS and I found the material flows WAY better with the UM3 hot end. The orientation of the cartridge heater, nozzle and thermocouple is better for responding to temperature drops in the nozzle. Maybe some of you can also use this.

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