First! This is a multi part file, so you will need to be able to import both files together at the same time and have your slicer recognize it as a single object with multi parts/colors. The way you can do this without having a multi color printer, in prusa slicer in the "printer settings" tab, under "extruders" select 2. Then it will let you import the files as a single object. If you do not have a multi color printer you will need to make sure both parts are the same color so your printer can print the item.

However, my favorite way to print this is in only one color anyways. This works best with a dual or tri colored filament to help give depth and dimention. The way I printed this in the single color, was by changing just the top and bottom fill patters to different patterns from each other for contrast. I also had to make the "mouse" file have 0 perimeters so it would look correct. I chose top and bottom fill patters "hilbert curve" for the body and "concentric" for the mouse.

Of course you can play around with the settings and try different combinations like I did. I did one with no solid fill and only honeycomb infill for the body, and solid fill for the mouse. Etc.

Or you can always just print this in 2 colors and call it a day. The file is only 3 layers thick, so It remains nice and thin for your book. And, it's a great way to use up almost empty spool because it uses hardly any material at all.

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