occurrences (OccurrenceList) : Occurrences of part to process useLocalOBB (Bool) : If enabled, uses part own bounding box, else use global one uv3dSize (Distance) : 3D size of the UV space [0-1] channel (Int) [optional] : The UV channel which will contains the texture coordinates overideExistingUvs (Boolean) [optional] : If True, overide existing UVs on channel