5'7" x 5'7" octagonal greenhouse 601
Dimension A = 696mm
Dimension D = 696mm
Dimension E = 696mm
Dimension H = 696mm
Overall width = 1678mm (491mm + 696mm + 491mm)
Overall depth = 1678mm (491mm + 696mm + 491mm)
We recommend that your base should be no smaller than the floor size of the new greenhouse and no more than a few inches larger.