Damper clock
RS NOR latch Damper clock (works just like the Hopper version, just more efficient).
Five way equal item distributor
Send items in equal quantity five different directions. Back view in the wiki.
Full auto selective composter
Quick and dirty implementation of a fully automatic composter that shunts what it can't compost off to the side. More images in the wiki.
Item sorter with Ductwork elements
Sorter demonstrating mixed ductwork and hoppers, starring the any-orientation Collector block.
Ductwork logo
Full size view of the Ductwork logo.