Download — T-splines - V.4.0.r11183 [better]

Once installed, you can access the powerful organic modeling toolset that defined early freeform surfacing: Autodesk T-Splines Plug-in for Rhino 4 Error

The official release 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

Once you've downloaded the software, follow these general steps: Once installed, you can access the powerful organic