This puzzle is comprised of 4 identical oddly shaped pieces, which will make a perfect 3 sided pyramid (Tetrahedron).
The 4-piece need to be assembled by the puzzler to construct a 3 sided pyramid(Tetrahedron).
The pieces of the puzzle are identical. You therefore need to print the same piece 4 times. It can be printed without any supports.
This puzzle has a 5/10 on the difficulty level.