The is an indispensable tool for designers looking to move beyond box modeling and create complex, organic forms. Its ability to simplify intricate deformations into simple control point manipulations makes it a must-have for architects, interior designers, and 3D artists alike.
: Allows you to lock specific edges so they remain unaffected while the rest of the mesh deforms. Pros & Cons
(Free-Form Deformation) is a free ruby-script plugin for SketchUp that allows users to manipulate a mesh by enclosing it within a control cage of control points. Instead of editing hundreds of individual polygons, faces, or vertices, you manipulate a simplified 3D grid (the "cage").
⚠️ Avoid FFD from unknown 2013-era blogs – many have broken Ruby code on newer SketchUp versions.
Instead of editing hundreds of individual polygons on your actual model—which would cause jagged edges and messy geometry—you manipulate the few points on the bounding cage. The plugin automatically calculates the math, smoothly translating the movement of your control points into a seamless deformation of the underlying high-poly mesh. Key Features: sketchy ffd sketchup plugin
: Use the standard Move, Scale, or Rotate tools on the guide points. The mesh will deform in real-time as you move them.
| Feature | Sketchy FFD (Legacy) | FFD ToolBox (Paid) | Vertex Tools (Paid) | | :--- | :--- | :--- | :--- | | | Low (2017-2020 only) | High (2024 native) | Very High | | Lattice Control | Basic (2,3,4 points) | Advanced (Custom grids) | N/A (Direct vertex) | | Speed | Slow on large meshes | Fast (C++ compiled) | Moderate | | Price | Free | $20 USD | $35 USD | | Best For | Hobbyists / Legacy users | Professional architectural deformations | Mesh surgeons |
Turn on View > Hidden Geometry to see exactly how your mesh lines are twisting and turning. This helps you identify and fix pinched faces or overlapping geometry early. Common Troubleshooting Problem: The mesh isn't bending; it's just moving flat.
The beauty of FFD lies in its mathematical simplicity for the end-user. You are not editing polygons; you are editing the space around them. Imagine a rectangular box made of rubber. If you place your hands inside the rubber and push out, the rubber distorts. SketchyFFD does exactly this, but the "hands" are the control points of the lattice. The is an indispensable tool for designers looking
: Select the downloaded .rbz file and click Open .
, where it continues to power organic modeling for a new generation of designers. Deforming Shapes with LATTICES with FFD in SketchUp
SketchyFFD requires vertices to deform. If you try to use it on a simple cube with only 6 faces, nothing will happen because there are no intermediate vertices to bend. Create your object (e.g., a flat rectangle).
: Visit a trusted community hub like SketchUcation and search for "SketchyFFD". Download the .rbz file to your computer. Pros & Cons (Free-Form Deformation) is a free
Create control lattices in formats like 2x2, 3x3, or custom NxN grids depending on how much precision you need.
"The deformed shape has jagged, triangulated lines." Fix: This is a feature, not a bug. FFD works on triangulated meshes. Use CleanUp plugin (free) to soften/smooth edges after applying FFD.
Once you achieve the desired shape, click outside the FFD cage context to close it.
: Launch SketchUp, navigate to the top menu, and select Window > Extension Manager .
FFD (often from or ThomThom’s variants) lets you deform groups/components using a lattice (grid of control points). Common uses: