Black business card engraved F1Ultra
Picture made with Ai
Upscaled to 6000 px With Windows Photos
Then X-tool Creative
Adjust -sharpness to max
Grey scale 253
Invert
Black Business card - Power 80 .Ms 200 , DPI 500
Slate - not sanded ,one coat white art acryl paint tube ,one coat black
Power 80 ,MS 500(increasing ms gave better quality and mooore time) DPI 700
Atkinson make the picture darker