14"
diameter roof, 1/2" exterior plywood or chipboard.
11"
diameter ceiling, 1/2" exterior plywood.
1/4"
x 1/4" x 6" cedar slats, dadoed* in to the ceiling
13/16" apart, and attached to ceiling with 1 1/2"
paneling nails.
3
1/2" x 14" round cedar feeding column with 8
feeder holes 1" diameter x 1" deep.
Threaded
1/4" bolt with nut and washer holds assembly together.
*
Dado cut 1/4" x 1/4" slots into the ceiling
perimeter. Before attaching the ceiling to the roof, nail
the slats in to the dadoes, using 1 1/2" annular
ring paneling nails.