The name suggests a versioned asset pack, likely for software like . In the context of independent animation assets, "solid" usually refers to one of the following:
There is no widely documented or standard technical "solid feature" associated with a file named in major 3D animation or gaming repositories. Magical_Girl_Animation_Ver1.1.zip
: A version of the model optimized with a manifold ("watertight") mesh, often required for 3D printing or specific game engine collisions. The name suggests a versioned asset pack, likely