: Improved algorithms for printing very thin features that other slicers might ignore or fail to render properly.
Beyond multiple materials, the term "multi" in Simplify3D 4.2.1 extends to the concept of "Multiple Processes." This feature remains one of the software's most distinct advantages over competitors like Cura or PrusaSlicer. The ability to assign different slicing settings to different regions of a single model is a game-changer for quality optimization. Simplify3D 4.2.1 -Multi- full version