OptionalstepData: string | File | Blob | ArrayBuffer | Uint8ArraySTEP data as string (for plain text files), ArrayBuffer, Uint8Array, File, or Blob. Supports compressed .stpz files - gzip-compressed data is automatically decompressed.
Mesh precision (linear deflection) for triangulation. Smaller values produce finer meshes but increase file size.
Options for converting STEP to glTF format. Uses native OCCT RWGltf_CafWriter for fast conversion with full attribute preservation.