3D PYRAMID JIGSAW PUZZLE 3D print model

3D jigsaw puzzle of pyramid. includes puzzles with 4,5,6 and 7 layers. every part is separate stl. 4 layer pyramid 30 parts. 5 : 55 6:91 7:140 in separated files. each part is originally 24mmx24mmx24mm easy to solve. 3D PRINTING SETTINGS i did with 0.2mm nozzle . 1.2 wall thickness. 0 infill no adhesion but sides are little jagged with 0.2 mm ( in the picture ) but i won't recommend that cos its cheaper and faster. warning!!!! if it doesn't fit help with knife, sometimes in my base base was little wavy ( see the pictures)