Fast import showing only bounds

Some stl files take very long to import, longer than they take to slice. If only bounds are set to be shown in the preferences, it should be possible to do a very fast load of an stl file.


  • To show stl bounds we need to read the complete stl first. What takes so long is verification of the mesh and merging the separate triangles so we can say if it is a valid mesh for slicing.
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