T-splines - V.4.0.r11183 Verified Download Jun 2026

: This version is strictly for Rhino 5 (64-bit) ; it is not natively compatible with Rhino 6, 7, or 8.

: A massive community thread (17+ pages) covering replacements, workarounds, and how to maintain the plug-in for old projects. Modern Alternatives t-splines - v.4.0.r11183 download

What does this mean for you?

: This version was specifically optimized for the 64-bit architecture of Rhino 5. Download and Installation Status : This version is strictly for Rhino 5