Curviloft Old Version [better] Jun 2026

If you download Curviloft 1.8a (the most popular "old version"), here is exactly what the toolset looks like:

To prove the old version is still viable, let's build a simple twisted tower. curviloft old version

"I use SketchUp 2017 because my rendering engine (V-Ray 3.6) is stable. Curviloft 1.7 runs like a dream. When I tried v2.5, my chair splines took 5 seconds to calculate instead of 0.5 seconds. I need speed, not icons." If you download Curviloft 1

Uninstall any existing modern Curviloft via Extension Manager. Step 2: Install LibFredo6 v6.7b (Do not install v8 or higher). Step 3: In SketchUp, go to Window > Preferences > Extensions and ensure "Allow legacy RBZ" is checked (varies by version). Step 4: Install the curviloft_v1.8a.rbz file. Step 5: Restart SketchUp. If you see a "LibFredo6 Conflict" error, you downloaded the wrong library version. When I tried v2