Turn any photo into a dot grid artwork with these Photoshop actions. You'll get great results with dots that change size. They get larger in brighter areas and smaller in darker areas. Free download available.
Step 14
When you are done, select the "Metal" layer and apply the lighting filter again (Filter> Render> Lighting). But this time, set the Gloss and Material setting to +100.
Final Results of Rusted Metal Photoshop Tutorial
Original Image
Rusted Metal Photoshop Tutorial
