Our new dome is a 3V Icosahedron. There is no half dome of this type, you can choose a 4/9th or a 5/9th dome. We assembled the fifth section and the existing 4/9th part needed to be connected on top of this with 15 bolts. We were worried about how to lift 120 kgs and keep it suspended in the air during the operation. João looked at the excavator. Yes, just the right job for her!
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