March 12th, 2026
Welcome to mslicer!
In order for the sliced output to be loadable by your printer, you will first need to configure the platform resolution and build volume in the Slice Config panel on the left. The defaults are for the ElEGOO Saturn 3 Ultra. If these values are wrong, your printer may fail to load the output without even showing an error message!
mslicer can load .stl and .obj models. Add one by going to File › Import Model or drag and drop a model file into the workspace. For now, you can load the built-in test model (the Utah Teapot) by pressing Ctrl+T.
To move around the viewport, scroll to move towards or away from the target point, drag with left click to orbit the target point, and drag with right click to translate the target point. Each model in your project is listed in the Models panel. By clicking a model in the 3D view or the models panel, you can access all its properties, including size, position, and rotation, as well as run actions like deleting the model or aligning it to the bed.
Since mslicer's automatic and manual support placement features are still under development and not usable for most models, use the method described in the Support Placement page.
After starting a slice operation, a new panel will open showing the operation progress. However, it shouldn't be open for long because (as far as I know) mslicer is the fastest MSLA slicer currently available (:p). You will then be presented with a slice preview. You can drag to pan, scroll to zoom, and scrub through the slider on the left to look through each layer.
If you are using a printer with a Chitu mainboard, you can wirelessly start and monitor prints. However depending on your system you may need to change your firewall settings. You can either allow connections on the ports after they have been randomly picked or set and unblock default ports, check the Services dropdown in the Remote Print panel.
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