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How to Hatch Inside Polyline in AutoCAD?

Hatching Inside a Polyline in AutoCAD

Hatching inside a closed polyline in AutoCAD is essential for creating solid fills or patterns in your designs. This guide provides a step-by-step approach to effectively execute the hatching process.

Setting Up Your Workspace

1. Launch AutoCAD 2025: Start by opening the AutoCAD application and loading the drawing in which you want to add a hatch.
2. Open the Ribbon: Ensure you can see the Ribbon at the top of the workspace, which contains various tabs and panels for different commands.

Selecting the Hatch Command

1. Navigate to the Draw Panel: Click on the “Home” tab in the Ribbon. Locate the “Draw” panel, which contains a variety of drawing tools.
2. Access the Hatch Tool: Click on the “Hatch” button. This will open the Hatch Creation tab, allowing you to define the parameters of the hatch.

Choosing a Hatch Pattern

1. Hatch Type Options: On the Properties panel, you’ll see a dropdown menu labeled “Hatch Type”. Here, you can select either a predefined pattern or a solid fill.
2. Select a Hatch Pattern: Move to the Pattern panel underneath and choose from the available hatch patterns or create a custom one if needed.

Defining Boundaries

1. Select the Boundary Method: Decide how you want to select the boundaries for your hatch. You may choose “Pick Points” to click inside the area or “Select Boundary Objects” to choose the polyline directly.
2. Selecting the Polyline: If you opt for boundary objects, simply click on the closed polyline you wish to fill. Ensure the polyline fully encloses the area for the hatch to work correctly.

Finalizing the Hatch

1. Confirm Your Selection: After defining the area, you may review the hatch settings in the Properties panel to make any necessary adjustments.
2. Apply the Hatch: Press “Enter” to confirm and apply the hatch to the selected area. If everything is correctly set, the area inside the polyline should fill with the chosen pattern.

Adjusting Hatch Properties

1. Select the Hatch: Click on the hatch you just created to select it.
2. Modify Settings: Access the Hatch Editor contextual tab that appears on the Ribbon. Here, you can change properties such as scale, angle, or pattern type.
3. Preview Changes: Watch the changes in real time to ensure the desired appearance before finalizing.

Troubleshooting Common Issues

1. Solid Hatches: If the hatch appears solid instead of patterned, check the scale and spacing settings in the Properties palette. Adjust them to make the hatch visible as intended.
2. Layer Settings: Ensure that the layer used for hatching is turned on and not frozen. This can prevent the hatch from appearing correctly in your drawing.

FAQ Section

What should I do if my hatch doesn’t fill?
Make sure the polyline is closed completely; an open boundary will prevent the hatch from being applied. Verify that the hatch layer is active and visible.

Can I hatch multiple areas at once?
Yes, you can select multiple polylines or closed areas. Utilize the “Select Boundary Objects” option to click on each polyline you want to fill.

How can I create a custom hatch pattern?
Go to “File > Options > Application Options > Drafting > Hatching” and use the “Create” button to define a new user-defined hatch pattern. Follow the prompts to set your specifications.