Even if your carpentry skills aren’t much more than having watched a few episodes of This Old House, it’s still pretty common knowledge that a drill only works in a straight line. Or does it? Woodshop hacker Izzy Swan created a custom rig that can actually drill a curved hole instead.

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By welding a drill bit onto the end of a flex shaft attached to a curved rig, Swan’s unorthodox creation allows a standard power drill to bore holes through wood that curve in any direction he needs. It’s useful for running wires and cables through inside corners of a new home under construction, but also because the idea will also melt your brain a little.

[YouTube via Core77]