Da Vinci's Helicopter Puzzle

To print it you can set the layer height to 0.2mm, you can do less, but it will take more time to
print and it’s not necessary to be that accurate.
- Blocks.stl: 2x
- Bars.stl: Infill: 100%
Once you have blocks and bars printed, you have to put one bar inside the small block, and
then use glue on that small block to stick it parallel with the long block.

Solution: https://www.youtube.com/watch?v=upNy9S4vKQQ