Slic3r PE (Prusa edition)

Updated 3 days ago ​by Tomáš Chvalina

A 3D printer can print almost anything. Whether you’ve downloaded 3D models from the Internet or created your own models, you will need to convert the .obj or .stl format into a .gcode file. Gcode is a file format readable by a 3D printer. The file contains information for nozzle movement and the amount of filament to extrude. Great tool for advanced users is our Slic3r PE.

However, if this is your 1st 3D printer, check out our PrusaControl which offers a great interface with basic settings. 

How to operate Slic3r PE

If you are an advanced user and you want to create your own settings. Then you shall be using our Slic3r PE which offers a wide range of different setting options. Here is a simple walkthrough of its all functions. 

Slic3r PE interface
Slic3r PE interface
  1. The Add button loads models into Slic3r.
  2. Delete and Delete All buttons remove the model(s) from Slic3r.
  3. Opens the detailed settings of print, filament and printer.
  4. When the model is ready for print, this button generates the .gcode file.
  5. Quality / Speed setting of a print
  6. Material selection
  7. Printer selection
  8. Right-click on model opens the menu with rotate, resize and other options
  9. Type of model preview
  10. Model preview
  11. ColorPrint with Slic3r PE is not possible. Therefore we would recommend using that option in PrusaControl. Simply upload your gcode in there and follow instructions from PrusaControl ColorPrint.

Printing with support material

  1. Go to the Print settings tab.
  2. Continue on Support material option.
  3. First you have to check the Generate support material box.
  4. Next item Overhang treshold lets you set the minimal angle for printing the support material. Setting this item to zero lets the printer detect problematic parts automatically and print support where it’s needed.
  5. Enforce support for the first layer is used mostly with small models or models with a small base to prevent the object from breaking or tearing out from the bed. 

Large object printing

    Another special printing case is when printing objects larger than the heatbed. The first option is to resize the object to a printable size . Right-click on an object in Slic3r opens a menu with the Scale ... option, then you choose Uniformly, if you want to scale down the model evenly; or you can alter the size of a model along the one of the axes: Along X, Y, Z axis ... 

If you need to print an object that doesn’t fit the printer, you have to cut the object using Slic3r. Right-click and choose the Cut ... option in the menu. You can cut the object horizontally - if you need to perform a cut in a different axis, use the Flip... option in the same menu. 


    Do not hesitate to contact us at info@prusa3d.com if you would have any following questions.

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