In a cross sectional view they will now form a slimm triangle with {HEAD ~ the outer diameter} as its apex and the central cylinder wall as {TAIL ~ its base} 
In a cross sectional view they will now form a slimm triangle with { HEAD ~ the outer diameter } as its apex and the central cylinder wall as { TAIL ~ its base }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL