Use hatching on part faces, part sections or drawing shapes, such as circles and polygons, to show different materials.
The hatches are located in the hatch_types1.pat file in the …\Tekla Structures\<version>\environments\<environment>\inp folder. You can also use hatch patters on surface treatmentbuilding object that represents finishing of a part
The term surface treatment is used in concrete detailing. For concrete parts surface treatment includes surface mixes, tiles, and flat finishes, such as troweling and sandblasting.
The term surface finish is used in steel detailing. For steel parts surface finishes include fire-proofing and unpainted areas.