I found this puzzle pretty difficult to solve without looking at the 3mf file. SO I added a cover to prevent it from falling apart in handling. I also grouped the puzzle tiles to enable printing in different colors. As an added hint to solving the problem none of the tiles touch another tile with the same color. The 3mf file is set up to enable colors for a mmu if you have the slicer configured for that. However, for printing it is recommended to just select one color group at a time as otherwise you will have a lot of filament changes.
I printed all of this with PETG on a textured bed.
Print the lid starting with clear and change to black a level 3.
Edit the text of the body with your message as desired.
Print the body starting with orange (or whatever you want) . Change to black at 6, back to orange at 16, and back to black at 20.
The author remixed this model.
Added bayonet mounted lid to original. Grouped puzzle tiles for printing in multicolors.