250 250 lb Stainless Steel Zip Ties for Dome Construction Cutting Your Own Struts To support our "Hubs Only" kits, we have produced a DIY video, "How to Make Your Own Geodesic Dome Struts." Common Strut Lengths are: 17' wide, 7' tall - 3v 3/8 Dome: 50 Blue "A" Struts - ...