float-array-3
schema/elements/float-array-3/1.0.1/float-array-3.schema.json
Array of 64-bit floating-point values with three values per row (N×3). Extends float-array-md with a fixed width of 3. The most widely used element — stores 3D vertex coordinates, direction vectors, and RGB colour data across geometry and attribute components.
See also: float-array-md (base type), float-array-1, float-array-2, float-array-6 (other widths).