UltiMaker Cura

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Review print and travel paths before sending a sliced model to a printer

SI Score
80/100
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Answers use saved listing facts and recorded sources.
Homepage screenshot
Screenshot of the UltiMaker Cura homepage

What it does

UltiMaker Cura is a free, open-source slicer for Windows, Mac and Linux. It combines printer and material profiles with configurable print settings, layer simulation and file or network output.

Open a model with the top-left file button, select the printer, then set its nozzle or print core and material configuration. Offline printers require this setup to be entered manually. Recommended mode exposes layer height, infill, supports and adhesion; Custom mode opens more detailed settings.

Check the Prepare view before slicing. A striped grey model lies partly outside the printable area, and adhesion or support settings can reduce the available area near the bed edges. Slice with the action button, then open Preview to examine the generated print and travel paths.

The upper and lower layer-slider handles isolate a range of layers. A separate path slider and simulation control show how the current layer is traversed. Colour schemes reveal line types, feedrate or layer thickness, and visibility controls can hide features that obscure the area being checked.

X-ray highlights some geometry errors in red, but it does not detect every problem. A clear X-ray view therefore does not prove the model is correct; inspect the sliced layers as well. The final action can print over a supported network connection or save the instructions to a file or removable drive for a non-networked printer.

Strengths

  • Layer ranges and path simulation reveal the planned internal printing sequence.
  • Recommended and Custom modes offer different depths of settings.

Watch out for

  • Offline printer configuration must be entered manually.
  • X-ray does not reveal every geometry error.

Best for

  • Preparing models for filament printers
  • Comparing supports, interior paths and print settings before output

Sources