This box is part of a collection of 6 3*3*3cm puzzle boxes that all have the same theme of lids being removed from boxes through unique and interesting means. They are ranked from 1-6 based on their difficulty even though putting these boxes together and seeing the inside mechanism can remove some of the mystery, they can still be interesting to solve and play with as well as give to your friends to try solve. Video

Printing settings:

supports: none       infill: 15%+

Extra materials:

1-2mm Rod (Toothpick)

Assembly:

1)First, glue the toothpick into the hole at the bottom of the lid so that 2mm hangs out one side

2)Then screw the lid into the case, first going clockwise but after hitting a wall rotate it clockwise and then after hitting  another, do the same until it is tight and square 

Solution:

1)Start by rotating the lid anticlockwise for about 2 turns

2)when you can't rotate it anymore pull up while rotating in the opposite direction

3)You should have to change rotation 2 times to release the lid