Based on the downloaded .obj file, heavily processed in MeshLab.
Support is required only for the chin. I suggest printing with organic/tree supports, on build plate only. OrcaSlicer has a setting “Support critical regions only” that worked well, but I cannot figure out the PrusaSlicer equivalent.
Voronoi version of the Gayer-Anderson Cat: https://www.printables.com/model/738688-voronoi-gayer-anderson-cat-from-the-british-museum
Thanks to be generous with your “Likes” and share your “Makes!” Check out my collection “The British Museum” for other historical artifacts that can be printed at home.
"The Gayer-Anderson cat" (https://skfb.ly/o6E8K) by danielpett is licensed under Creative Commons Attribution (http://creativecommons.org/licenses/by/4.0/).
The author remixed this model.
Used Meshlab to clean up the mesh then to create the low poly model.