12 DIY Garden Entrance Arbors Ideas ...ont elevation, side elevation and flat plan, and also a 3D view. The building instructions are:1) The arbor posts2) Cut and trench the arbor beams3) ...s this helps to create the illusion of more space on the other side of the structure. It also adds to the air of romance and mystery with its simple a #rossbloominggardens.com #landscape-arbor-entrance #landscape