Hi Dooley, thanks for the hint, but I had some trouble with the mtl_specBump.

Also, I find the shader of 'txesmi' better in comparison.

Look ..on the left side ´mtl_specBump´ (with spec_map in the alpha channel of the color chart) and on the right side ´mtlSpecSolid´:



A8-Com-v 8.47.1