SketchUp is celebrated for its intuitive, straight-line 3D modeling capabilities. However, when your design demands complex organic shapes, flowing curves, or smooth transitions, the native toolset can feel limiting. This is where the Curviloft plugin by Fredo6 steps in.

Curviloft is not a native SketchUp tool; it is a plugin developed by Fredo6 (one of the most respected SketchUp developers). It specializes in , skinning , and extruding along paths. If you have ever struggled to create a smooth organic shape, a curved canopy, a boat hull, or a complex handrail, Curviloft is the solution.

Because Curviloft is such a high-quality tool, it is now a paid plugin. Here is the official way to get the .

(Shared library extension required for all Fredo6 plugins) License Type

, Curviloft was born out of a specific frustration: SketchUp’s native tools were excellent for "box" modeling but struggled to create smooth, flowing surfaces between irregular shapes. The Three Pillars of Curviloft

Draw a network of lines that fully describe the shape of your desired surface; for instance, four edges forming a ring that will define the skin. 2. Select the Skinning Tool: Choose the Skinning tool from the Curviloft menu. 3. Select the Contours: Click on all the edges or lines that make up the boundary of the surface you want to create. 4. Generate: Click the green checkmark. Curviloft will then automatically generate and preview a surface perfectly fitted within your selected boundary.

Click and select the downloaded .rbz file for LibFredo6. Repeat the process for the Curviloft .rbz file. Restart SketchUp to ensure the toolbar appears. 3. The Three Key Tools of Curviloft

For Lofting, make sure all your curves are drawn in the same direction to avoid twisted surfaces.

: Generates geometry by extruding one or more profiles along a specific curve or path.

Installing Curviloft plugin is straightforward. Here's how:

Click the green checkmark to solidify the geometry. 5. Tips for Success in 2026

This tool allows you to select several 3D lines or curves, and Curviloft will automatically create a surface passing through them. It is ideal for creating twisted shapes or complex lofts.