Learn to create PBR textures in Substance Painter for terrain maps generated in World Machine in this third installment of a comprehensive tutorial series. Master techniques for importing project files, adding and positioning colors, incorporating elements, applying materials, and creating textures. Explore advanced features like inverting masks and adjusting base colors. Conclude with exporting your finished terrain textures, preparing you for rendering in Vue and Terragen or implementation in Unity and Unreal game engines.