This is Axle the Axolotl, an Animal companion from "The Level-Up" Kickstarter.
Animal Companions print support-free and have hidden storage.
Prints in multiple pieces and includes a cut version to fit on a print bed that is 180mm x 180mm x 180mm
Recommended FDM print settings:
Layer Height: .2mm
All pieces will print on a build volume that 180mm x 180mm x 180mm
*digital item, you will receive the .stl files to 3D print the included models yourself.