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Ambidextrous Safety Nut

by Oskar van Deventer

  • Ambidextrous Safety Nut
  • Ambidextrous Safety Nut
  • Ambidextrous Safety Nut
  • Ambidextrous Safety Nut
  • Ambidextrous Safety Nut
  • Ambidextrous Safety Nut


Ambidextrous Safety Nut is solution to a century-old problem of the bolts-and-nuts industry. My co-designer Scott Elliott and I are looking for an 8.5 million dollar investment for 15% of our equity.

As you know, bots-and-nuts make a trillion-dollar industry worldwide. A major safety issue is which direction to turn to tighten a nut. A lose nut in a bicycle may already cause bodily harm, but it would cause major catastrophe with an air plane. Popular memes like 'righty tighty lefty loosy' have proven to be insufficient to prevent such catastrophes.

Therefore we have developed our Safety Nut TM, which has a patent-pending asymmetric thread to prevent upside-down mounting and a design-registered arrow pointing in the tightening direction. For extra safety, we added the small print “TIGHTEN OTHER SIDE”. We have recently started marketing a left-handed version, because, even though only 10% of the people are left-handed, the profit margins are significantly higher.

Starting from the large market demand for our Safety Nut, we are now seeking your investment in our latest innovation, the Ambidextrous Safety Nut, which improves on our two other products. The new nut is suited for both left- and right-handed people, which reduces inventory cost. Moreover, it can be installed in both directions, so mechanics won't lose time in turning the nut upside down. These inventory and time savings add up to an annual cost reduction of more than 10 million dollars for typical air plane manufacturer.

In summary: more safety and less cost. Do we have a deal?

Watch the YouTube video.

Please order a 3D-printed do-it-yourself puzzle kit from iMaterialise at this page (check with Oskar about screws and stickers), or contact Oskar directly if you are interested in obtaining a fully colored, stickered and assembled sample of this puzzle.



Oskar van Deventer

Oskar van Deventer

Oskar Puzzles offers mechanical puzzles and objects that can only exist thanks to 3D printing technologies. All designed by M.Oskar van Deventer.

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