然后，选择橡皮工具，用300px的柔性笔刷擦除。

Then, Erase the bottom part using a 300px soft brush.

youdao

我没有使用任何Ps的技巧来完成。相反，我只是用了一个软笔刷的橡皮工具来移除背景。

I didn't use any Photoshop "tricks" to get the final look, but instead just used the eraser tool with a soft brush to remove the backgrounds.

youdao

小提示：如果你想清除这些像素，可以选用橡皮擦工具，然后选择铅笔模式、一个像素的笔刷大小。

Tips: At any time if you want to erase the pixels, use the Eraser tool, select Pencil mode and 1px brush size.

youdao