This is one of our project we done side by side with two different trellis, the one on the left is with metal and lami glass, 3rd level is surpported by wall plug and one vertical surpport on it left, 2nd level is supported by wall plug and double tie-back on it left & right. which give you a overall sky light feel of it! the one on the right is complete with chengal wood and lami glass, surpported by wall plug.