The Self-Sharpening Pencil, Just 20 Years Too Late

The Mitsubishi Pencil Company’s Kuru Toga model is a couple of years old and features a gear inside that rotates the pencil lead every time it’s put to paper, continually keeping a sharp, centered point on it:

An amusing piece of belated overengineering–I could’ve really used one of these back in the days when we actually did hand draftings. This is kind of like making a carbon-fiber T-square.

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