An interlocking puzzle cube designed by Andrey Ustjuzhanin. Recreated in OpenSCAD with the Puzzlecad library. Published with permission from the author.

Snap the labeled connectors together after printing. You can add a drop of AC glue.

Form a 4x4x4 cube out of the pieces.

More similar puzzles from the designer in the collection: https://www.thingiverse.com/akaki/collections/andrei-ustjuzhanin-puzzles

Solution: https://youtu.be/-JMFGlYyKcY

http://puzzlewillbeplayed.com/444/CuttleBurr/

More puzzles on Andrei's website: http://www.photodreamstudio.ru/index.shtml