The Cupola will work well with this dome.
A max size using standard 8 ft length lumber would be approximately 26 ft for the Garden Dome 2.
The Main Dome could be made with 2 x 6 lumber, with the -X3 boards 2 x 6 or 2 x 4.
Use in conjunction with the Class 2, 4 frequency dome to make the Diamond Truss TM type of Double Dome.
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