Rubik's 3x3x3 skeleton

this is a Rubik's cube hollow with dovetail mechanics.

How to print this?
I have used ABS, acetone vaporized. I want to say, this object is ABS only. I have made some test pieces in igus I150 filament. It would work but ABS is better in this case. This object needs a lot of time to clean the printed parts.

1. Print calibration cube. Tolerance of outside and inside has to be better than +/- 0.05mm. If not, adjust your slicing software [xy-calibration parameter]. If your slicer doesn't prov