Adds native STL support for both importing and exporting. It is free and available via the Extension Warehouse.
Working with STL files is a core requirement for 3D printing and advanced modeling, yet SketchUp's native handling of these files often leaves users with "messy" geometry. Using a dedicated —primarily the official SketchUp STL extension —bridges this gap by allowing you to import, clean up, and export STL data seamlessly. 1. Choosing the Right STL Import Plugin sketchup stl import plugin
“Tried to import a 20MB scanned STL of a statue. SketchUp froze for two minutes, then gave me 50,000 faces. Unusable. Had to use Blender first.” — Product Designer Adds native STL support for both importing and exporting