ATTIC BASE DIMENSIONS (DIMENSIONS ARE SHOWN IN INCHES)
	DIA	ROUND BASE	SQUARE PLINTH
	A	B	C	D
	8	3-1/4	1-7/8	10-3/4
	10	3-7/8	2-3/8	13-3/8
	12	4-1/2	2-3/4	16-1/8
	14	5-3/8	3-3/8	18-3/4
	16	6-1/4	3-7/8	21-1/2
	18	7-1/8	4-1/4	24-1/4
	20	8-1/8	4-3/4	27
	22	9	5-1/4	29-3/4
	24	9-7/8	5-3/4	32-1/2