Always convert your Curviloft output into a Group immediately. Then right-click > Softening/Smoothing and set angle to 45°. This hides the triangulation lines without deleting geometry.
This comprehensive guide breaks down the core toolsets, installation procedures, and best practices for leveraging Curviloft within a SketchUp 2015 environment. Core Modeling Features of Curviloft curviloft plugin sketchup 2015 66
Loft by Spline: This is the most common use case. It allows you to select a series of separate contours (ribs) and connect them with a smooth, continuous skin. It is perfect for creating boat hulls, ergonomic furniture, or fabric-like structures. Always convert your Curviloft output into a Group