Cg.rar -

(iOS/Mobile): An app available on the App Store for mobile extraction. Common Contents of "CG" Archives

Models (OBJ, FBX), textures, or procedural materials often found on sites like ambientCG or Textures.com . CG.rar

Without more context, "CG.rar" generally refers to a likely containing Computer Graphics (CG) content, such as 3D models, textures, or digital illustrations. What is a .rar file? (iOS/Mobile): An app available on the App Store