Special and perspective rulers can be created using the ruler tool.

Perspective rulers can be created from the Layer menu as well.

How to create a special ruler

Note: “Special rulers” mean highly specified rulers such as parallel line, radial line, radial curve, concentric circle, and guide rulers.

1. Select a layer or layer folder in the layer palette.

2. Select the [Ruler] tool in the tool palette.

3. Select [Special Ruler] from the [Sub Tool] palette.

4. Select the special ruler to use from the [Special ruler] field in the [Tool Property] palette.

How to create a perspective ruler

1. Select a layer or layer folder in the layer palette.

2. Select [Layer] menu > [Ruler/Frame] > [Create Perspective Ruler] to create a perspective ruler on the current layer.

You can select the intended perspective here.

If you want to manually set vanishing points, use the [Ruler] tool > [Perspective Ruler] to draw a perspective ruler onto a layer.

For detailed instructions on how to use a perspective ruler and more, please see the following TIPS article.