A dome would probably make a nice 'love nest' in the woods kinda like an alternative to an A-frame, but I can't picture a family of 5 living in one. Plus I think I might go batty with the lack of square walls and right angle corners.

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1985 380SE Blue/Blue - 230,000 miles
2012 Subaru Forester 5-speed
2005 Toyota Sienna
2004 Chrysler Sebring convertible
1999 Toyota Tacoma