• Internet Business, Internet Marketing
• CRF file format
• May 18, 2026

A CRF file is most commonly a Cal3D Binary Materials File, a file used in 3D graphics and character animation to control how a model’s surface looks when it is rendered. Rather than storing the shape of the model itself, a CRF file stores the material information connected to that model, such as references to texture graphics and lighting-related properties …