31 Days of Learning with Free Materials - The OT Toolbox
Free textures: where to get 3D textures for your artwork
Free Substance Painter Materials: The Best Sites of 2023
Free Material Pack 1 to 11 (99 Materials) are now available! Link in the comments : r/blender
100 free PBR materials for architecture • Blender 3D Architect
Free materials for Corona Renderer
ArtStation - Sci-fi Panels - FREE 4K Texture Pack
Replacement Kit Materials Studentreasures Publishing
Free Download: 13 Fabric Materials - BlenderNation
Free PBR Materials and PBR Textures – Free CC0 PBR Textures
Download dozens of PBR materials for free
Texture Kit Pro - Cinema 4D Materials - Greyscalegorilla