Introducing Flex
Flex is a powerful procedural secondary motion and surface deformation system for Blender. It lets you add soft, reactive physics to characters, creatures and flexible objects without building complex simulation setups.

What's New in October 2026 Update*
- Cache Stability Update.
- Fixed unsafe live updates during simulation caching that could cause Blender to crash.
- Improved cache saving for multiple painted areas.
- Added detection and cleanup of incomplete caches.
- Preserved existing Flex settings and painted weights.
Egret.