Instructables user Robb Godshaw and wrdwise has made a wooden treadmill desk shaped like a giant hamster wheel. This desk made from four sheets of plywood, two skate wheels, two pipes, and 240 wood screws.
"Rise up, sedentary sentients, and unleash that untapped potential within by marching endlessly towards a brilliant future of focused work. Step forward into a world of infinite potential, bounded only by the smooth arcs of a wheel. Step forward into the Hamster Wheel Standing Desk that will usher in a new era of unprecedented productivity."
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