Geeetech acrylic i3 pro b

[vatilgema]

Got this printer for free a few months ago and have spent about that amount of time trying to tune it. Itll print something decently one day and then it wont. I have added z wobble brackets, an extruder fan, and replaced the posts that housethe threaded rods at the top and while all of that has helped, i seem to go two steps back some how. I am using cura 4.1 and the latest version of marlin i could find. I re calibrated the extruder using the 10 mm trick, there is no over or under extruding going on from that stand point. Ive been using a 0.6 mm nozzle which ill be replacing with the 0.4mm one again. I feel like most of my issue has to be slicer settings or im just a total idiot? Ive watched like every youtuve video i could find and theirs all print marvelously and mine with print a melted benchy-.- !!
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If you have one of these printers and know of any tips or tricks to get it to produce prints to be proud of please please please give me some advice. Cura settings and maybe prints you all made to enhance the printers functionality would be appreciated to.