Transparent objects to pull a bit more trouble, if not high, we can directly extract the picture of the high light selection, add a mask, remove unwanted parts on the mask, and then separate the opacity of the part of the mask on the smear.
Original
Final effect
1, open the material picture, the background layer to copy a layer, press CTRL + A Select all, and then press CTRL + C to copy the layer, and then add the layer mask.
2, hold down the ALT key + the left mouse button click on the white mask, into the mask edit state, and then press CTRL + V to paste the layer we have just copied to the layer mask; You can now see that there is a layer in the layer mask that is the same as the layer.
3, in the background layer to pull a cool color gradient, the following figure.
4, with the pen tool to pull out the bottle of mineral water, set up a selection, the mask around the black fill. Then use the Pen tool to pull out the opaque wrapping paper and cap, create a selection, and fill the mask with white, as shown below.
5, if you feel that the transparency is not enough, you can copy a layer and adjust the transparency to fine-tune. Add a projection at the bottom, complete.
Final effect:
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