I built my first printer couple of days ago. I started printing small models (20x20 mm max.) and everything was alright at first. However, when I tried to print a bit larger models, I started facing a problem. The nozzle keeps hitting the path of a previous layer or even current layer. That then causes jams, and the whole layer shifts 5-10 mm in the X or Y direction. I tried using different layer heights (from 0.08 mm to 0.44 mm), adjusting the speed of print but that did not help.

  • $\begingroup$ Can you tell us what printer you're using? Is it a clone? What Marlin version are you using? Can you also put in what your settings are and which slicer you're using? $\endgroup$ – Pᴀᴜʟsᴛᴇʀ2 Feb 17 '19 at 19:05
  • $\begingroup$ I'm am using a DIY Cartesian based 3D printer, with latest versions of marlin and slic3r. I am using pronterface to run the G-code. I have T8 threaded rods with 8mm pitch for the z axis and two GT2 belts for the X and Y axis. I also have 0.4mm nozzle with 1.75mm filament. I tried a few different Slic3r settings: Layer height: 0.08 - 0.44mm Fill density: 20%-70% Fill pattern: Triangles, rectilinear and honecomb $\endgroup$ – Toni Duspara Feb 17 '19 at 19:30
  • $\begingroup$ The heat is set to 205 degrees for the extruder and 40 degrees for the heatbed (It says so on the fillament packing) $\endgroup$ – Toni Duspara Feb 17 '19 at 19:31
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    $\begingroup$ Please back this up with pictures of the failed print, sliced print in the slicer, link to model. $\endgroup$ – 0scar Feb 18 '19 at 7:50
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    $\begingroup$ I know of no slicing software which produces crossovers in a given layer. My guess is you're either not getting sufficient adhesion to the bed or insufficient Z-axis motion per layer. $\endgroup$ – Carl Witthoft Feb 18 '19 at 14:53

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