How to block ps?

1 Open the material picture of the solution diagram, which is called "A" here.

Open the normal diagram, and the diagram to be melted is called "B" diagram here.

On the Layers panel of, double-click the background layer to unlock it. Click OK.

Use the move tool to drag A directly onto B..

3 In the Layers panel, add a mask to layer 1 of A (press the second button in the Layers panel).

(Masks are used to hide and show materials. )

Then use the brush tool to draw on the mask. White display, black hidden, gray transparent.

In addition, you can change the blending mode and opacity of the material: click Normal in the Layers panel to change the blending mode.

There are three methods on the mask: in addition to painting with the brush tool, you can also:

2 use the gradient tool to pull the gradient.

3 Fill the mask: press Shift+F5.

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