People sometimes say “when you have a hammer, everything looks like a nail” as if that were a bad thing. Hitting up Wikipedia, they’re calling it the Law of the Instrument or Maslow’s Hammer and calling it a cognitive bias. But I like hammers…
I’m working on a new tool, a four-axis hot-wire foam cutter based roughly on this design, but built out of stuff in my basement so far. I want it primarily to turn out wings for RC airplanes so that I can play around with airfoils and construction methods and so on. But halfway through building this new “hammer”, I’m already getting funny ideas of other projects that could be built with it. Classic nail-seeking behavior.
And some of these thoughts are making me reconsider the design of my hammer. I originally wanted to build it low, because it’s not likely that I’ll ever want to cut wing sections taller than 50 mm or so. But as soon as cutting out giant letters to decorate my son’s room, or maybe parts for a boat hull enter my mind, that means a significantly taller cutter, with ensuing complications.
So here I am suffering simultaneously from Maslow’s Hammer and scope creep, but I’m not sad about either of these “ills”. Playing with a couple manual prototypes for the CNC hot-wire cutter has expanded my design vocabulary; I’ve thought of a couple cool projects that I simply wouldn’t have had the mental map for before. ..
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