Those who lead grand enterprises often find pleasant diversion in working on smaller ones, like gardening, or wood-carving, or making a cameo on Star Trek: Enterprise, much to the consternation of Scott Bakula. For a design+build guy toiling on a smaller, smokier project, check out Steven Mattern.
An architect/engineer whose larger projects range from organic farming infrastructures to solar-powered showers, Mattern's taken to making laser-cut wooden pipes with functional moving parts, matching the rigor of engineering training with the "poetry of architecture", which would be more celebrated if only these walls could talk. Some choice wares:
Santa Feo: Cut from long-leaf pine and finished with beeswax, these clockwork numbers rotate via a small steering wheel to reveal three different bowls, each with its own carburetor, but which all lead to the same draw hole -- oh, a hole! That's what Burt Convy was getting at.
California: This super-dense beech smokable has a pivoting magnetic closure system and's etched with California's county lines, perhaps a reminder that you shouldn't share it if you want to avoid Mono?
Double Trouble: Looking nothing like a pipe, this covert number's lids swing open to reveal a pair of bowls and mouthpieces that make it perfect for sharing, or for someone who needs "twice the punch", and therefore obviously isn't a Little Mac.
If you're flush with impossibly clever pipes, Mattern also applies his know-how towards magnetic geography puzzles, with available options including Italy, South America, and the United States -- a place where any enterprise big or small has a chance of success, unless it's captained by the guy from Major League III: Back to the Minors.