Three dimensional structures of arbitrary shape are fabricated on the surface of a substrate through a series of processing steps wherein {HEAD ~ a monolithic structure} is fabricated in {TAIL ~ successive layers} 
Three dimensional structures of arbitrary shape are fabricated on the surface of a substrate through a series of processing steps wherein { HEAD ~ a monolithic structure } is fabricated in { TAIL ~ successive layers }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL