I added a image texture to a simple sphere by creating a new material and selecting "image" as the color. Then I used the displacement modifier to make a displacement map. I selected the very same image as the displacement texture.
I want the displacement surface to be exactly the same mapping as the material surface. Where material is dark, the displacement should go inward, and vice versa.
I cannot use the shader nodes as I want to export the model to stl file for 3D printing.
How do I fix this problem?