Create Simple, Yet Elegant Abstract Spectrum Lines in Photoshop Part 2

Make sure you also select the Airbrush and Smoothing option.
After finishing making this brush, let’s save it as a new brush preset so that we can use it in the future too. To do this, left-click the down tri-angle on the top right and click “new brush preset”:

And Enter the following into the window popup:

Then you will see the brush preset appear in the brush selection window:

Step 2

Create a new layer call “lines”, grab the Pen Tool and draw the following working path:

Hint: hold down Shift key and drag your mouse upwards approximately 45 degree for both archor points.

Then right-click and select the option “Stroke Path”: