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Ultimaker Community of 3D Printing Experts


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  1. Dear Community. 3D printing seemed pretty straight forward to me until I hit this never ending downward spiral. I have been printing super-quality objects at 0.6mm nozzle with a 0.4 mm tall layer. Until I started obtaining this: Cooling problems? Seems not, as I have refurbished the cooling system and obtained same results. Under extrusion? Changed EVERYTHING, from tubes to nozzles to hot ends to stepper motors. First print (if lucky) turns out messy yet not devastating.. Bad speed/heat combination? Don't think so, as printing in PLA I range from 220 C for 30.35mm/s to 215 for 25
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