The provided reference only describes adjusting an existing shadow overlay's opacity after it has been created. The exact steps to create a shadow overlay are not described. However, here's a general approach to create a shadow overlay in Photoshop:
Creating a Shadow Overlay in Photoshop
While the provided context does not detail the creation process, the following steps outline a common method for creating a shadow overlay:
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Create a New Layer: Start by creating a new layer above the layer you want to add a shadow to. This ensures that the shadow is separate and editable.
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Fill the Layer with Black: Fill the new layer with black. This will serve as the base for the shadow.
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Convert to Smart Object (Optional): Converting the shadow layer to a smart object can be beneficial for non-destructive editing and applying filters.
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Apply Gaussian Blur: Go to
Filter > Blur > Gaussian Blur. Adjust the radius to soften the edges of the shadow and control its spread. A larger radius will create a softer, more diffused shadow. -
Adjust Opacity and Blend Mode: Reduce the opacity of the shadow layer to make it more subtle. Experiment with different blend modes (e.g., Multiply, Overlay, Soft Light) to achieve the desired effect. As mentioned in the reference, you can dab over the shadow to lighten it. You can also adjust the opacity to make the shadow stronger or lighter.
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Transform and Position the Shadow: Use the
Edit > Transformtools (Scale, Skew, Distort, Perspective) to position and shape the shadow appropriately, considering the light source. You may want the light source to be above and to the right, for example. -
Add a Layer Mask (Optional): To further refine the shadow, add a layer mask. Use a brush with a soft edge and low opacity to selectively hide or reveal parts of the shadow, creating variations in intensity and direction.
By following these steps, you can create a realistic and customizable shadow overlay in Photoshop.
