Here is an useful and really cool tool to create all maps for your PBR material using a single image.
Materialize - It's free and is available only for Windows 64bits.
This video tutorial shows a little bit more of details about the tool, since the image preparation util the final maps used in a 3D application
Materialize - It's free and is available only for Windows 64bits.
This video tutorial shows a little bit more of details about the tool, since the image preparation util the final maps used in a 3D application