26 ft Octa Dome – X1
By using 12 ft boards to make the longest struts, resulting diameter is approximately 26 ft – 6 inches with height about 13 ft – 3 inches. A standard size door is easily incorporated as shown. Medium length struts are about 119 inches and short struts about 93 inches; standard board lengths can be used efficiently. X1 struts are about 78 inches. The dome is illustrated made from 2 x 6 struts with 2 x 4 on the door framing.