[record SMFBv1_0Header
  ([field fields_size              [integer unsigned 32]]
   [field schema                   SMFBv1SchemaID]
   [padding-octets                 4]
   [field vertex_count             [integer unsigned 64]]
   [field triangle_count           [integer unsigned 64]]
   [field triangle_index_size_bits [integer unsigned 32]]
   [field attribute_count          [integer unsigned 32]]
   [field coordinate_system        SMFBv1CoordinateSystems]
   [padding-octets                 14])]
