Since Minecraft's base engine does not natively support custom entity models (CEM) in resource packs, you must use a mod to bridge the gap.
The "Fat Cat" pack is a cosmetic overhaul for Minecraft feline mobs. Instead of the standard thin models, it introduces a "chubby" model that doubles the cat's width and slightly increases its height. Fat Cat (Optifine)
: The pack aims for a "fluffier" look, often described as "vanilla-like" because it retains the original Minecraft aesthetic while altering the physical dimensions. Versions & Variants : Since Minecraft's base engine does not natively support
: The most traditional method. It provides the necessary CEM (Custom Entity Model) support. : The pack aims for a "fluffier" look,
: When used with Optifine, the pack enables Random Entities features, allowing for multiple custom textures and realistic breed variations. Installation Requirements