Reducing the size of STL files is crucial for 3D printing, as it can improve printing time and reduce material usage. An efficient way to achieve this is by using online tools that specialize in compressing STL files without compromising the quality of the model. These tools typically offer features such as file size reduction, mesh optimization, and simplification algorithms. By uploading your STL file to these platforms, you can quickly and easily optimize its size for better 3D printing results. Take advantage of these online resources to streamline your 3D printing workflow and enhance the overall efficiency of your projects.