Special Effects - Special Effects step 5 - 8

Step 5
We're done creating the tile pattern, so we'll work on creating the outline now. Duplicate the layer by pressing Ctrl+J or opening the Layer menu and selecting Duplicate. Next, change the blending mode of the new layer to Screen.
Step 6
Apply a find edges filter by opening the Filter> Stylize menu and selecting Find Edges. This filter draws an outline of the edges.
Step 7
Press Ctrl+I or open the Image> Adjustments menu and select Invert. The outline should be blended into the photo.
Step 8
The tiles and outline effect is now complete. But the effect looks flat and boring. In the next steps, we'll enhance it using a new layer that will add depth and a glow effect to the tiles. First, press Shift+Ctrl+E or open the Layer menu and select Merge Visible. This will create a duplicate of the image as a single layer. Change the blending mode to Overlay. By adding a duplicate of the image with an Overlay blending mode, we can increase the contrast which will enhance the appearance of depth in the tiles.
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