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Cube-Octa Dome

Simplified Version with X1 Subdivision struts, Vertical Base Option and triangle pyramid Cupola

The basic cupola frame height is adjustable, shown here 20 inches up from the main top triangle.Rectangle windows can be added and ventilation with an exhaust fan. Overhang will help shed rain.

This is a nice dome design for a small shed or greenhouse, workshop, shade structure, gazebo, etc.Lay out six eight foot boards on the ground in a hexagon shape to get an idea of floor area.You will have a perimeter of 48 ft. and area of 166 sq. ft.
More support structure can be added for roof decking >>>