A little 3D Riddle that can be useful for educational purposes:
"Draw a 3-dimensional picture of a shape that goes through each of these holes, exactly touching all sides as it passes through."
https://www.theguardian.com/science/2017/jul/17/can-you-solve-it-are-you-smarter-than-an-architect
Resolution:
0,2
Infill:
15%
Filament: ¿? PLA
Category: PuzzlesThe author marked this model as their own original creation. Imported from Thingiverse.