: If your animation breaks after hitting the "spline" button, it is often due to bad workflow. Avoid jumping into splining without a solid blocking pass to prevent gimbal locks and broken arcs.
: This is often the most reliable free tool for repairing 3D models. It automatically detects invalidly defined objects and repairs holes or polygon issues. zipling 3d video fix
Comprehensive Guide to Fixing Zipline 3D Models and Video Content : If your animation breaks after hitting the