is a powerhouse extension by for SketchUp, specifically designed to bridge the gap between simple geometry and complex organic modeling. For SketchUp 2015 users, it remains one of the most transformative tools for creating smooth, flowing surfaces that the native toolset cannot easily handle. Core Functionality
The plugin consists of three primary tools that generate geometry from existing lines or profiles: SketchUcation Loft by Spline
: Connects separate contours (open or closed) with smooth splines. It effectively "stretches" a surface between multiple profile lines. Loft Along Path
: Similar to the native "Follow Me" tool but much more advanced. It allows you to transition between different shapes (e.g., a square to a circle) along a specific path. Skinning (Skin Contours)
: Generates a surface within a frame of 3 or 4 bordering contours. This is ideal for creating tensile structures, roofs, or organic shells. SketchUcation Key Advantages Speed and Efficiency curviloft plugin sketchup 2015 66
: Automatically generates a well-ordered grid over complex edges in seconds. Advanced Controls
: Users can adjust the number of segments to control smoothness and toggle between generating full faces or just a wireframe grid. Interactive Preview
: Before finalizing the geometry, the plugin provides a preview where you can tweak parameters and see real-time updates. Installation & Requirements
For a smooth setup in SketchUp 2015, keep the following in mind: LibFredo6 Dependency : Curviloft the installation of is a powerhouse extension by for SketchUp, specifically
(Fredo6's shared library) to function. Without it, the tool palette will not load. Installation Method : It is typically distributed as an file available via the SketchUcation Plugin Store Restart Required
: You must restart SketchUp after installing both the library and the plugin for them to initialize correctly. The "SketchUp 2015" Context
In 2015, Curviloft was widely recognized as a "top 10" essential plugin because it unlocked professional-level organic modeling for free users and pros alike. While newer versions of these extensions now require a paid license on the latest SketchUp releases, older legacy versions (if you still have the files) were often free and remains highly functional for 2015 builds.
It looks like you’re trying to find or verify the Curviloft plugin for SketchUp 2015, specifically version 1.5d (or 1.5.5), often labeled as “1.5d 64” for 64‑bit systems. Speed on old hardware: New SketchUp versions require
Here’s the properly formatted information you need:
It sounds obsolete, but there are valid reasons:
The "66" build is especially stable for architectural skinning – think Zaha Hadid-style blobs, Frei Otto tensile structures, and Santiago Calatrava ribs – without the bloat of SubD or NURBS.
While technically part of the Loft tools, the "Skin" feature allows users to generate complex meshes over irregular contours. This is vital for terrain modeling or creating abstract art shapes where the interior volume matters more than the perimeter edges.
Like a supercharged "Follow Me." You define a trajectory (curved or straight) and cross-sections. The plugin automatically rotates, scales, and positions the sections along the path.
Shift → select middle → select top..rbz via SketchUp Preferences → Extensions → Install Extension).rbz method)Plugins/Curviloft/Documentation)