It handles intersecting geometries perfectly, avoiding the "exploding" vertex issues of older plugins. 2. Curviloft

Since the early days of Google SketchUp, the name has been synonymous with pushing the software beyond its native boundaries. Fredo6 is a French developer whose real name is Fredo , and over the past 15+ years, he has built one of the most respected and essential collections of third-party plugins available for the software [15†L32-L34] [16†L16-L18].

: Generates terrain from standard contour lines.

Because Fredo6 plugins depend on a shared library, installation follows a specific order:

If you have been using SketchUp for more than a few weeks, you have likely hit a wall. The vanilla tools are excellent for conceptual massing, but when you need to bend a pipe, morph a terrain, or round a complex corner, native SketchUp often falls short. Enter the world of extensions—specifically, the legendary suite of tools developed by a French architect known only as .

Another significant recent addition is . This sophisticated tool is available for SketchUp 2026 and above. It enhances SketchUp's section plane capabilities, allowing for the generation of section cut faces with hatching at scale, the creation of configurable section boxes, and even the generation of door and window schedules mapped into LayOut documents. These new releases showcase that Fredo6's tools remain at the absolute forefront of the SketchUp extension landscape.

Fredo6 Plugins for SketchUp: The Ultimate Guide to Essential Extensions

Curviloft is SketchUp’s answer to advanced lofting and skinning tools found in high-end software like Rhino or 3ds Max. It generates surfaces based on a network of open or closed contours.

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Created by the legendary developer Fredo6 on the SketchUcation forums , this suite of tools has become industry standard, transforming SketchUp from a basic modeling app into a powerhouse for complex design.

(moving from free to paid licenses, as Fredo6 tools are now commercial) [5.3]

Offers advanced scaling, stretching, twisting, and bending tools.

This is the core library required by all Fredo plugins (Updated v15.9c for 2026).

Includes scaling, stretching, radial bending, twisting, and tapering tools.

Native SketchUp allows you to scale objects globally, which often distorts specific sub-elements like chamfers or component thicknesses. FredoScale solves this by introducing advanced deformation tools.

SketchUp’s native Push/Pull tool can only extrude flat faces. shatters that limitation. It is a suite of extrusion tools that allows you to push/pull curved surfaces, multiple faces simultaneously, and even add thickness to complex organic meshes [20†L4-L8] [20†L13-L15].

To avoid the clutter of installing dozens of small, individual plugins, Fredo6 created FredoTools. This is a "toolkit" or "bundle" that collects over 20 small, independent utility plugins into a single, cohesive package.

To use any Fredo6 plugin, you must first install . This is a shared library that all his extensions rely on for their interface and settings. You can manage and install these easily using the Sketchucation Extension Store tool.