Fidget-Puzzle/All Treads are Righty Tighty-Wrong!
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Puzzle is difficult because we all know threads are right handed. Nope. This has a left handed!
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We are taught from an early age that threads are right-handed (righty-tighty / lefty-loosey). Few people (15%) attempt to open this by turning the end hex nut clockwise (righty-loosey).
The opposite end has an embedded loose item that doesn’t do anything but turn and is a rabbit hole down which people spend time turning. They turn the embedded part with a hex that press fits into the ”rabbit hole”.
The center nut has a standard right-hand thread and is another rabbit hole. The assembly is printed vertically. The center hex nut is printed 0.4 mm above the disk. To release the center nut after printing, I put the circular round end in a vice and turned the nut with a crescent wrench. It broke free with a rewarding snap.
This is a great little gift for kids or adults.
A few pieces of small candy within provide noise when shaken.
You can roll up a $ bill and place it within the center hole. To do so, you need to fold it lengthwise first, and then roll it tightly. This could be a very fun gift for teenagers who have been made aware they can have the money within if they open the puzzle.
This is also a great way to meet people at a party or at the store.
One recipient of this fidgets the center nut all day, every day and I have to replace the one he wears out every 4-5 months.