Relevant for
Menu -> File -> Save Project as saves a 3MF file containing all objects, settings, modifiers, and their parameters. It’s essentially a complete snapshot of PrusaSlicer.
When you open a project file on a different computer, it should still produce the same G-code.
We always save project files when we slice something (unless we're 100% sure it's a one-time thing). If you revisit the project later on and want to modify something, it's handy that you can instantly load all the same settings you used when you first printed it. Plus it's the best way to share the model with someone who also owns a Prusa printer.
Unlike an STL file, which only stores the geometry of an object (as a series of surface triangles), a 3MF file can store a variety of different files in a single archive, such as:
Learn more about 3MF here.
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Here's a problem which has recently occured though.
I can slice an STL file, and make many changes to say the number of perimeters, top and bottom layers, infill, and bed temperature. I export and save the GCode, and it always prints well. At the same time, I go to "File", then "Save project as" just in case I need to make any future changes.
Unfortunately, when I try to reuse this 3MF project file, I find that all the amendments have disappeared, and the program opens with just the standard print settings.
Any ideas please, as I'm stuck!
Thank you,
Trevor.