How to Make Smooth Wave

Note: This tutorial was done using Adobe Photoshop 7.0

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There is always a way to make things in Photoshop, this tutorial will teach you how to make a smooth wavy selection, also it will teach you how to make any selection with rough corners smoother. Normally if you want to make a wave and if you don't know how best to do it, you would try to do it with Elliptical Marquee Tool, which would not bring a desired result.

1. First Open a new window with 500 x 100 size filled with white. Select the Polygonal Lasso Tool (L) and try to make a selection similar to the one below.

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2. Next press Q for Quick Mask, while in Quick Mask mode go to Filter > Noise > Median and enter an amount in the Radius field that is just enough to make the selection smooth (I have entered 40) - press OK once you are satisfied with the smoothness of the curve.

3. By now your image should look like this.

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4. Now press Q again to revert back Quick Mask to a normal selection mode. Create a new layer and fill the selection with your desired color. And deselect the image.

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5. This is how it looks when it is filled with blue and applied some shadow on it.

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