Pyramid Burr Puzzle

Model is based off the puzzle in Matthias Wandel's video seen here: https://www.youtube.com/watch?v=sASwadHr11M&lc=UgyUfs0Nt-Vdv6DehfJ4AaABAg.ABfG-kEfs2cABfGon23IvX

3 piece puzzle, prints easily with supports enabled, all pieces should fit on the print bed at once.

Model seen in pictures is at 50% scale for printing speed