The VOIDRUNNER'S CODEX is LIVE! Explore new worlds, fight oppressive empires, fend off fearsome aliens, and wield deadly psionics with this comprehensive boxed set expansion for 5E and A5E!
You could also use the non-WotC Artficer Prestige Class at http://rumkin.com/reference/dnd/prestige/artificer.html if you just want some[b/] of the flavor without the official rules. It's a totally different approach, though.