AutoCAD

How to Insert Hatch Pattern in AutoCAD 2020?

Understanding Hatch Patterns in AutoCAD 2025

Hatch patterns are essential for adding depth and detail to drawings in AutoCAD. These patterns help define materials or areas within a design by filling enclosed spaces with distinctive patterns or fills.

Creating a New Hatch Pattern

  1. Access Options: Navigate to the “File” menu and select “Options.” Once the Options dialog opens, go to “Application Options” and then click on “Drafting.” From there, proceed to the “Hatching” section.

  2. Initiate Pattern Creation: Click the “Create” button. This action will bring up the “Edit Hatch Pattern” dialog.

  3. Define Your Hatch: In the dialog box, input the specific parameters for your new hatch pattern. This includes defining the pattern structure and any additional attributes required for your design.

Importing Custom Hatch Patterns

  1. Prepare Your Custom Folder: Store all your custom hatch patterns in a dedicated folder on your computer.

  2. Access AutoCAD Options: Open AutoCAD, type “OP” in the command line, and hit enter to access the options.

  3. Adjust Support File Search Path: Within the “Files” tab, locate “Support File Search Path” and add your custom folder to this list. Additionally, add your folder under “Trusted Folders” to ensure easy access.

  4. Activate the Hatch Command: Once the paths are set, initiate the Hatch command. You should now see your custom patterns in the selection list.

Copying Existing Hatch Patterns

  1. Select the Hatch Tool: Go to the “Home” tab and find the “Draw” panel. Click on “Hatch” to activate the tool.

  2. Set Hatch Properties: In the “Hatch Creation” tab, navigate to the “Options” panel. Click the “Match Properties” drop-down and select “Use Source Hatch Origin.”

  3. Choose Source Hatch: Click on the existing hatch object that you wish to duplicate.

  4. Select Target Objects: Click on the objects where you want the new hatch pattern to be applied. This allows for easy replication while maintaining consistency.

Locating Hatch Patterns

Most standard hatch patterns come pre-installed and can be found within the AutoCAD Support folder. To find them, look for files with a .pat extension, such as acad.pat.

Troubleshooting Hatch Display Issues

  • Check Layer Settings: Ensure that the layer containing your hatch is active and not frozen.

  • Display Options: Go to “Options” and check that “Apply Solid Fill” is selected. After adjusting, click “Apply” and “OK” to confirm changes.

  • Enable Quick Preview: Activate the hatch quick preview feature to see the hatch in action before finalizing your design.

Understanding Hatch Functionality

The Hatch command fills designated areas in a drawing with various patterns or fills (such as solid or gradient). Adjusting the scale of a hatch pattern can change the density of lines, with larger scale values resulting in wider gaps.


Frequently Asked Questions

1. Why is my hatch not visible in AutoCAD?
If your hatch isn’t appearing, first check that the hatch layer is turned on. Ensure the “Fillmode” is set to 1, which enables filled areas to be displayed, and verify that the pattern is correctly applied.

2. How can I differentiate between hatch patterns?
Hatch patterns are identified by unique styling and fill types. Each pattern can indicate different materials or highlight various areas in your design. You can hover over patterns in the dropdown list to see their preview before applying them.

3. Can I create a custom hatch pattern using an existing one as a base?
Yes, you can copy properties from an existing hatch and modify them in the “Edit Hatch Pattern” dialog. This allows you to create a new hatch pattern based on the structure of a pattern you already have.

About the author

Wei Zhang

Wei Zhang

Wei Zhang is a renowned figure in the CAD (Computer-Aided Design) industry in Canada, with over 30 years of experience spanning his native China and Canada. As the founder of a CAD training center, Wei has been instrumental in shaping the skills of hundreds of technicians and engineers in technical drawing and CAD software applications. He is a certified developer with Autodesk, demonstrating his deep expertise and commitment to staying at the forefront of CAD technology. Wei’s passion for education and technology has not only made him a respected educator but also a key player in advancing CAD methodologies in various engineering sectors. His contributions have significantly impacted the way CAD is taught and applied in the professional world, bridging the gap between traditional drafting techniques and modern digital solutions.