This PBR seamless material created by Substance Designer.
Files = Textures(2K,4K) .png + 3dMax (Vray, Corona) + Sbsar + mtl + fbx
Textures= basecolor, ambientocclusion, height, normal, roughness.
Workflow = metallic-roughness + specular-glossiness
Normal = OpenGL
SBS (Substance Designer, filesize: 362 MB), FBX (Autodesk FBX, filesize: 362 MB), MAX (Autodesk 3ds Max, filesize: 362 MB), MAT (mat, filesize: 362 MB), SPP (Substance Painter, filesize: 362 MB)