: Creates a surface bounded by 3 or 4 contiguous contours, perfect for complex architectural roofs or tensile structures. Getting Started: Installation Requirements , you must first install the shared library (v14.3b or above for newer versions). Download the SketchUcation ExtensionStore Install it via SketchUp's Extension Manager Restart SketchUp to ensure the plugin loads correctly. Free vs. Paid: What You Need to Know While older versions like were widely known as free, most extensions transitioned to a paid model in early 2022. Trial Period : You can download the latest version for a 30-day full-featured free trial : After the trial, a perpetual license for costs approximately for up to three seats at SketchUcation Bundle Options : If you use multiple Fredo6 tools, the Fredo6Bundle (including 8 plugins) is available for Pro Tip for Complex Meshes When generating a surface, use the Preview Mode
The plugin excels at three specific operations that are impossible to perform natively: curviloft 18
For video tutorials: Search “Curviloft 18 Fredo6” – the official demo by Fredo6 shows each tool in 3 minutes. : Creates a surface bounded by 3 or
| | Curviloft (Fredo6) | SubD | Artisan | SoapSkinBubble | | :--- | :--- | :--- | :--- | :--- | | Primary Method | Lofting/Skinning (NURBS-like) | Subdivision Surfaces (Polygon smoothing) | Sculpting & Subdivision | Physics-based inflation | | Best For | Clean, precise transitions; tensile structures; architectural features; hard-surface curved forms. | High-poly organic models; character design; smooth, blobby shapes. | Intuitive terrain sculpting; adding organic detailing like cushions. | Simple, membrane-like surfaces; quick bubble forms. | | Workflow | "Curve-first" / Precision | "Polygon-first" / Intuitive | "Sculpting-first" / Intuitive | "Boundary-first" / Experimental | | Learning Curve | Moderate; requires understanding of lofting and proper curve creation | Steep; requires understanding of quad topology | Moderate; more like digital clay | Easy to get started, hard to master | Free vs