You can get a hardened steel nozzle for the P1, and a set of hardened steel extruder gears for @$50

You can get a hardened steel nozzle for the P1, and a set of hardened steel extruder gears for @$50 US.
I tried PLA-CF initially for my DIY Rhino, and regular PLA was much stronger with better layer adhesion (I assume because the plastic is not diluted by micro fibers). CF does result in an amazingly smooth surface finish cosmetically
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