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Prusa I3 Mk2 Printer settings

Note: This post covers settings in Cura, and primarily mentions the Prusa i3 Mk2.

Basic settings

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  • Layer height: Most of our models are printed at .2 layer height. Some of the smaller, more detailed parts are printed at .1
  • Shell thickness: .8 is a good shell thickness (this must be a multiple of the nozzle size)
  • Fill density: I use 10% for most models. If the model has thin parts that require strength (for example, door frames), then set it to 25%. Make sure you set the ‘prints after infill’ to ON, otherwise, you will see banding on your model. printing-sungeon-tiles-settings-3
  • Bottom/top thickness: increase this to at least .8 as this makes sure you have a good solid top and bottom on your model.
  • Temp: temperature set for PLA
  • Build plate: temperature is increased slightly to help bed adhesion, but this depends on the ambient temperature of the room
  • Supports: I always use a brim as it allows checking to see if the Z is at a good height when the print begins. It also helps with adhesion. I sometimes use a raft for delicate tall objects. 

Advanced

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  • Initial layer linewidth: set to 100%. This is important for parts that connect to other parts, for example the OpenLOCK clips
  • Initial layer thickness: this can be set higher when printing at a fine detail like .1. I often set this to .2

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17 thoughts on “Prusa I3 Mk2 Printer settings

    1. Download and save the ini file locally to your computer. Then in Cura Select the menu option “File” and then select “Load profile” and find the ini file and select open.

        1. Depending on your printer, we use cura for Ender 3s and Prusa Slicer for Prusa i3 mk3 at the moment. I’m looking to update with new settings after I’ve fully tested 4.4.1.

      1. Do you have any settings for simplify3d? I have had some great results with your models and some ugly results. Obviously the difference is the settings. I’m a bit at sea as to which ones matter.

        1. I use s3D and just downloaded the free samples to get a feel for it. What issues are you having?
          One of the biggest issues i noticed is when i lay the floor flat on the bed (stone side up) the detail is lost. However, when i stand the floor vertical on its side, it’s perfect, like the walls.

          I had success using the following settings with various 3D Fuel PLA
          0.4mm nozzle
          0.2mm layer height
          15 % grid infill (though rectilinear would be fine)
          4 bottom layers
          4 top layers
          3 outer layers / shells / perimeters

          for 3D Fuel Pro PLA i print at 230, for the Workday I print at 220, and I just threw the standard on at 210 but it’s the 1st time i’ve used that level of filament.

          -Matt
          @Potent3D on Twitter & Instagram (used to be @Jet_Prints)

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