The structural base acts as a support for these fittings. Stainless steel is used as structural support for creating larger elevations. ONE PIECE Vinsmoke Sanji Cosplay Anime Costume Outfits Note: 1. Dimensions are measured by hand, may be 1-3 cm deviations. She said there may be a delay in sending the costume. They are also used in domes and facades at shop fronts. They are used in glass canopies, skylights and large building entrances.