Review: Mk8 Extruder Nozzle by AVN Swiss

I recently realized I’ve had my Makerbot Replicator 1 for nearly three years now, and never once put a new extruder nozzle on it.  Oh, I’ve removed and cleaned\unjammed the current one many times, and over the years the filament has been extruding slightly… crooked as it comes out of the nozzle.

Turning to the Makerbot Users Google Group, I asked what people used as a replacement source.  AVN Swiss commented they sell them on ebay, and I’m a big fan of buying American, so I thought I’d give them a shot.  Shipment showed up promptly.

Full disclosure:  They did ship me some extra nozzles.

They look great, especially compared next to the old crusty guy:

old_and_new

Easily installed into the heater-block:

new_installed

Extrusion is nice and straight.  It’s bending to the right simply because it’s pooling on the build platform.

new_extruding

First layer of 20mm calibration cube is flat and even:

first_layer

Final result is smoother than this shiny black PLA makes it look.  Stopped the print to show off the layers.

calibration_cube

Overall I definitely recommend them as a buy: Worked as expected, promptly shipped, and made in America.  What more can you ask of an extruder nozzle?

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