T-splines - V.4.0.r11183 New! Download May 2026

T-Splines for Rhino v.4.0.r11183 is the final stable release of the T-Splines subdivision modeling plugin for Rhinoceros 5. Since Autodesk acquired the technology, the plugin has reached "End of Life" (EOL) status and is no longer actively sold or developed.  Download and Installation 

If you lack a license, the tech is now accessible via Fusion 360. To help you find what you need,

The official release T-Splines v4.0 r11183 was the final major update for the Autodesk T-Splines Plug-in for Rhino before the product reached its end-of-life. Current Status and Downloads t-splines - v.4.0.r11183 download

Key Features of T-Splines v.4.0.r11183

He clicked the Convert to T-Spline button. T-Splines for Rhino v

Rhino SubD: Integrated natively in Rhino 7 and 8, which replaces much of the original T-Splines functionality with better stability.

The Error Loop: Many users encounter installation errors when moving to newer Windows versions, requiring precise registry deletions and clean uninstalls of the Rhino plug-in. To help you find what you need, The

Method 1: Autodesk Account (For Existing License Holders)

If your company or educational institution purchased a perpetual license for T-Splines before discontinuation: