Content Previews Tutorial

STEP ONE

Open up your canvas, any size you want it to be. Your layer will have a padlock next to it. Double click it. On the box that pops up, just click 'OK'.

STEP TWO

Duplicate your background layer. Move the duplicated layer to the very top of the layers panel.

STEP THREE

Fill your duplicated layer with any color, set the Fill to 0%.

STEP FOUR

Go to blending options and create a stroke black at 1px. Click 'OK'.

STEP FIVE

Merge that layer down. Duplicate your layer. Go to blending options and make the stroke 2px white. Click 'OK'.

STEP SIX

Mer that layer down. Duplicate your layer once more. Go to blending options and make the stroke 3px black. Click 'OK'.

STEP SEVEN

You'll put your content in a layer below the stroked layer, so it should be in the middle layer. Make sure you save a PSD format of your preview so you can quickly open it for later use.