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• Double-needle topstitch on all seams
Using mainly 3D printed parts
they created a multi-headed print nozzle
Prints on all standard 3d printers
dropping a ball onto the the 10 minutes track
The Gravity Well Desk Toy • Double-needle topstitch on allSometimes we humans need to build machines with the sole purpose of demonstrating the effects of gravity on a steel sphere. This is a machine that happily fulfills that purpose. Be mesmerized by the combination of engineering and physics resulting from the simple motion of turning a gear. Watch as the steel ball bearings gain potential energy as they're being lifted by the big wheel, only to be converted to kinetic energy as they roll around the well
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