3D Printed Doorknob Accepts Fully Mechanical Password Input

If you didn’t know, you can 3D print your very own doorknob and even design it to have it’s very own password. This mechanical doorknob design uses mechanisms similar to early mechanical calculators to allow a numerical input resulting in mechanical motion. You can check out how the doorknob works in the short video below.

Profile photo of Trevor English
Trevor is a civil engineer by trade with an extensive background in internet media and marketing. He loves finding new and interesting topics and bringing them to the rest of the world.


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