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Bolt-Nut Puzzle

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Creation quality: 5.0/5 (1 vote)
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  • bolt-nut puzzle_base.stl
  • bolt-nut puzzle_bolt_M12x18.stl
  • bolt-nut puzzle_nut_M12.stl

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Publication date 2023-03-11 at 13:12
Design number 1109079
Seabird

Seabird

3D printer file info

3D model description

This project is based on the publication https://www.instructables.com/Twin-Nut-Puzzle/ by AtulV15.

While looking for a little souvenir for a visit to relatives with two kids, ages 8 and 10, I came across the "Twin Nut Puzzle".

The task of the puzzle is to guide the nut along the rope over to the right loop ๐Ÿ˜ฎ to the screw and then screw it up.

Then I read the comments and saw framakers' post. I liked the idea of replacing one of the two nuts with a matching screw. I agree that it makes solving the puzzle much more attractive.

However, drilling vertically through a metal screw is not everyone's cup of tea, nor is it easy to do.

A good and relatively easy way to solve the problem with the pierced screw is 3D printing ... provided you own a 3D printer!

To implement the idea, I decided to prepare this small project completely for 3D printing.

Notice:

For the solution you should only move the nut, because, due to the size of the bolt, the solution process would be more difficult.

If you need instructions on how to solve this puzzle, check here:
https://www.printables.com/de/model/420664-bolt-nut-puzzle

3D printing settings

Printer brand: Prusa
printer: MK3S / Mini
supports: No
resolution: 0,2
infill: 15% ; nut and bolt 50%
filament brand: Prusa; ICE; Geetech
filament color: Galaxy Black; Young Yellow; Silky Silver
filament material: PLA

Remark: As all parts are designed to fit very precisely, it may happen that you have to rework one or the other part a bit with sandpaper and/or cutter due to different dimensional accuracy of the printers and the different behavior of the filaments.

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