some time ago for some vibecoded game i carved this cat out of color cube (carved it myself, in goxel, this enjoyed, only that game is/was crap).

use that cat if you want yourself :)

PS: this .obj file is already colored using custom/unofficial ways (texture not needed) and i'm unsure if that will work at you tho. at least in three.js works quite well (there tested) but in other places it had problems.