A column structure in accordance 7 wherein {HEAD ~ the polygonal perimeter} of {TAIL ~ the column} is a regular equiangular and equilateral polygon 
of
A column structure in accordance 7 wherein { HEAD ~ the polygonal perimeter } of { TAIL ~ the column } is a regular equiangular and equilateral polygon
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH