chichen itza 3d jigsaw puzzle. easy to solve, ready to print. fits perfect. check out the video https://www.youtube.com/watch?v=4A_r6ZsS21E https://www.youtube.com/watch?v=NT_ngA8qerI includes 4 types of collection puzzle type 4 and 5 layers ( 112 and 172 pieses ) each part is extracted separate stl files. (zip file ) full model 4 and 5 layers. includes also blend file. everything checked with 3D print tool ( add on in blender) every layers height is 20mm. approximately 20x20x20mm. some pieces because of architecture are 40 or 30 mm length. PRINTING SETTINGS easy to print. 0 infill 1,2 mm wall thickness if u have heated bad not need adhesion ( if u dont skirt is best ) nozzle height 0.1mm for me 185 c and bad 60 is best. for whole model approximately 5 % infill is good.