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 : 556:917:140 in separated files.each part is originally 24mmx24mmx24mmeasy to solve.3D PRINTING SETTINGSi did with 0.2mm nozzle .1.2 wall thickness.0 infillno adhesionbut 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)