A skeletal armature with three stacked joints—top, mid, and bottom—moves a single gray cube through a 3D scene. The cube is skinned to the joints, so its deformation follows the armature's transformations. The example loads a glTF 2.0 asset using Three.js, which reads the mesh, skin, and animation data from the file. The model’s geometry, normals, texture coordinates, joint weights, and inverse bind matrices are all embedded in the gist’s buffer, demonstrating how glTF represents skinned animations.