Yes, this thing is every bit as crazy as it sounds. Matthias Wandel, the man behind Woodgears, recently built a tall wooden scaffold to be able to change the lightbulbs in his secondary hangar-like shop. But to climb up, change a bulb, climb down, move the scaffold to the next bulb, climb back up, etc. would be a slow process, so Wandel decided he'd motorize the entire contraption. As if that weren't daunting enough, he designed it to be driven and controlled from up top--using a simple drill and some woodworking ingenuity.
As for how he did it, and how this thing works, you simply have to see it to believe it:
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