working 9x9 rubiks cube

this is a working 9x9 Rubik's cube I designed. as far as I am aware, it is the only one on this site (and the only colored one on the entire internet for that matter).note: this is a difficult project to take on and it will not work as well as you hope unless you follow these precise steps. Filament: you can use either PLA or ABSPLA will be easier to print with and make the cube very strong.ABS will make the cube turn far better and feel very nice however it can be harder to print with, and you may struggle printing with it (though this depends on the quality of your printer). for the core however, you have to use either PETG or PLA as ABS may crack when you screw in the M2.5 boltsif you want to make the cube entirely printable you could in theory print the core in a softer plastic such as TPU and use PETG to make some M2.5 bolts if you wanted though it is probably easier to get some from a hardware store. Boltsthe bolts you need are stainless steel m2.5 bolts that are 30 mm long (