AutoCAD

How to Fill Polyline in AutoCAD?

Understanding How to Fill Polylines in AutoCAD

Filling a polyline in AutoCAD can enhance the visual appeal of your drawings, allowing you to add solid colors and patterns to closed shapes. Here’s a detailed step-by-step guide on how to accomplish this.

Step 1: Set Up Your Workspace

Before you proceed with filling a polyline, ensure your AutoCAD workspace is correctly configured:

  • Open your AutoCAD 2025 application.
  • Ensure the drawing you are working on is displayed on your screen.

Step 2: Create or Select a Polyline

You need to either create a new polyline or select an existing one that you wish to fill:

  1. To create a new polyline, click on the “Home” tab.
  2. In the “Draw” panel, select the “Polyline” tool.
  3. Click in the drawing area to start your polyline, continuing to click to create segments of your shape.
  4. Once your shape is complete, press Enter to finish creating the polyline.

If you have an existing polyline, simply click on it to select it.

Step 3: Access the Hatch Command

To fill the selected polyline, you’ll use the Hatch command:

  1. Navigate to the “Home” tab.
  2. In the “Draw” panel, find and click on the “Hatch” icon.

Step 4: Choose Hatch Type

After accessing the Hatch command, you’ll need to specify the type of fill you want to use:

  1. In the “Hatch Creation” tab, locate the “Properties” panel.
  2. From the “Hatch Type” dropdown menu, choose the type of fill that best suits your needs—options generally include Solid, Gradient, and Pattern.

Step 5: Define the Area to Fill

Next, specify the area within the polyline where you want the fill to occur:

  1. On the Boundaries panel, choose how you want to select the boundary for your fill.
    • If your polyline is closed, click on the inside of the shape.
    • Alternatively, you can select the polyline directly from the list.

Step 6: Select Color and Finish

After determining the area for the fill, select your desired color:

  1. In the Properties panel, find the “Color” section and click on the dropdown arrow.
  2. Select the color that you want to apply as the fill.
  3. Once you’ve made your selections, click the “Close Hatch Creation” button or press Enter to complete the operation.

Step 7: Review the Fill

After finishing, take a moment to review your drawing. Ensure that your polyline is correctly filled with the chosen color or pattern. If any adjustments are needed, you can easily edit the properties of the fill by selecting the hatch area.

FAQ Section

1. Can I fill a polyline with a pattern instead of a solid color?
Yes, AutoCAD allows you to fill polylines with various patterns. Simply choose a pattern type from the “Pattern” panel while in the Hatch Creation tab.

2. What should I do if my hatch fill doesn’t display correctly?
Make sure that the layer containing the hatch is turned on and not frozen. Check your hatch’s properties, ensuring that the appropriate fill type is selected and that any necessary options are activated.

3. Is it possible to fill multiple polylines at once?
Absolutely. You can select multiple closed polylines in the Hatch command to fill them collectively. Just hold the Shift key while selecting each polyline before finalizing your fill.

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.