How to support STL file 3D models fast?

To support STL file 3D models fast, use slicer software (e.g., PrusaSlicer, Cura) with automated support generation—these tools quickly analyze geometry and add optimized structures. Automated supports (like tree or lattice) cut manual work, balancing speed, material use, and easy post-processing. For beginners, stick to slicer default settings; adjust density/type only for complex overhangs to save time while keeping prints stable.