Inside the downloaded archive, you will see files ending in .mdl . They usually follow this naming convention:
The GoldSrc engine is an entity-based architecture. Every object in the game—be it a player, a dropped weapon, or a grenade—is an entity. The client-side representation of these entities is stored in structures defined in the client SDK, primarily cl_entity_s . CS 1.6 Skin Changer and View Model Changer