is a specialized extension for SketchUp, developed by Fredo6 , that focuses on lofting and skinning to generate complex, organic surfaces from contours. It is widely considered one of the most powerful modeling tools for creating smooth geometry that SketchUp’s native toolset cannot easily produce. Core Functionality
: Connects profiles along a specific "rail" or path curve, giving you precise control over the direction and curvature of the resulting skin. curviloft plugin sketchup full