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PrusaSlicer: turn off binary G-code (.bgcode)

When a printer profile has Supports binary G-code ticked, PrusaSlicer exports binary G-code, a .bgcode file. Extrudio reads plain G-code, so turn it off, and export a .gcode.

Checked in PrusaSlicer 2.9.6 on October 8, 2026.

Watch it on YouTube (1 min)

  1. Turn off binary G-code

    In Printers → General → Firmware (Printer Settings in older versions), untick Supports binary G-code. If you don’t see it, switch to Expert mode.

    PrusaSlicer 2.9.6’s Firmware settings for the printer, with Supports binary G-code unticked.

  2. Slice and export

    Slice, then choose Export G-code. The file should end in .gcode, not .bgcode.

    PrusaSlicer after slicing, with the pointer on Export G-code under the sliced info.

  3. Upload it to Extrudio

    Sign in, and drop the .gcode on Home. The file check shows what we read from it: the slicer, the printer, the nozzle, the layers, the size and the filaments.

    The app’s file check for the PrusaSlicer file, diamond-quilt-planter_0.4n_0.2mm_PLA_MK4SMMU3_3h46m.gcode: PrusaSlicer 2.9.6, MK4SMMU3, 0.4 mm nozzle, 650 layers of 0.2 mm, 122 × 121 × 130 mm, 1 filament.

  4. Pick your pictures

    Start from a template, or choose the colors, the scene and the angles yourself.

If you upload a .bgcode

Extrudio says This is binary G-code (.bgcode), with the same fix: untick Supports binary G-code, export again, and upload the .gcode.

What carries over from your slicer

  • The layer height, the line widths, and every wall, infill and seam, as sliced.
  • Support, brims and prime towers are left out of the render.
  • Vase mode is supported.

The same steps in the app’s Help

Try it on your own prints.

Upload the file you exported, and see your print in photoreal images, with its real layer lines.

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