Square-on-Squares Arbor IISquare on Squares Arbor II Create an elegant garden entrance with a handcrafted wrought iron arbor by Achla Designs. Part of our Square On Squares collection., the many pieces available in this group can be used to create a unified modern landscape theme. This wider of the two Square On Squares Arbors is 95 1 2" tall. Placed at an entrance or over a path, the arch provides plenty of room for passage beneath and a dramatic addition to any garden,