Here, we have picked an internal point outside the circle. Pick internal points of any object or select objects.Causes: Hatch configuration files are saved in PAT-files. Select the Gradient Icon from the drop-down list of the hatch. How to install custom hatch patterns in AutoCAD Autodesk Support Products and versions covered Issue: This article describes how to install custom hatch patterns in AutoCAD using PAT files.Let's understand the gradient with an example: The Boundary command creates a separate region or polyline from the enclosed area. When we click on the arrow near the Hatch Icon, a drop-down list appears, as shown in the below image: Boundary We can also select the desired patterns from the list of patterns, as shown below: The greater the hatch pattern Scale, the higher will be the distance between the lines in the hatch pattern. To modify the lines, we have increased the Hatch Pattern Scale.A hatch pattern will be created inside the circle, as shown below:.Here, we have picked an internal point inside a circle. Type H on the command line or command prompt and press Enter. Select the Hatch icon from the ribbon panel, as shown in the below image:.The steps to fill hatch pattern are listed below: The Hatch Pattern Scale signifies the spacing between the lines in a particular pattern. The number of hatch lines represented in any pattern can be adjusted with the help of the Hatch Pattern Scale. We can choose the desired pattern from the list of the patterns according to the requirements. There are several hatch patterns available in AutoCAD. The gradient patterns are defined as a smooth transition between two colors. The patterns are hatched, gradient, and solid fill. The Hatch command in AutoCAD is used to fill patterns inside an enclosed area.