AutoCAD

How to Create a Linetype in AutoCAD LT?

Creating Custom Linetypes in AutoCAD LT

AutoCAD LT allows users to create unique linetypes tailored to specific design needs. This step-by-step guide will walk through the process.

Step 1: Access the Linetype Creation Tool

To start, open AutoCAD LT. Navigate to the Express Tools menu. Here, locate the Tools dropdown, and find the Make Linetype option. Selecting this will initiate the linetype creation process.

Step 2: Specify the Linetype File Name

Once you access the Make Linetype command, you will be prompted to enter a name for your new linetype file. It’s important to choose a descriptive and easily identifiable name that reflects the nature of the linetype you are creating. After entering the name, confirm by clicking the Save button.

Step 3: Name Your Linetype

Now, you will need to input a name for the linetype itself. This is distinct from the file name and should be concise yet descriptive of the visual characteristics of the linetype. After typing in the name, press Enter to proceed.

Step 4: Optional Description

A description of your linetype can provide additional context and is particularly useful for team projects. If you wish, enter a brief description for your linetype and hit Enter to continue.

Step 5: Define the Linetype Pattern

To visualize and define how your linetype will appear, you need to specify its starting point and endpoint. This involves creating a pattern that could be a mix of dashes, dots, or text. Use the prompts to identify these points appropriately.

Loading Existing Linetypes

If you wish to use existing linetypes or examine previously created ones, the following steps can be followed:

  1. Access the Home tab on the ribbon.
  2. Navigate to the Properties panel and select the Linetype dropdown.
  3. Click on Other to open the Linetype Manager dialog.
  4. In the dialog, click on Load to find existing linetypes.
  5. Select your desired linetype from the list and hit OK to apply it.

How to Open a Linetype File

To view or edit an existing linetype file, take these steps:

  1. Click on the Linetype dropdown list located in the properties panel.
  2. Select Other, which will bring up the Linetype Manager.
  3. Click on Load and then choose File.
  4. From the dialog box that appears, locate and select the appropriate LIN file, then click Open.

Changing Linetype in AutoCAD 2025

To modify the linetype of specific objects in your drawing, you can follow these steps:

  1. Right-click on the selected object in your drawing area.
  2. Choose Properties from the context menu.
  3. In the Properties palette, click the Linetype option, then select the down arrow.
  4. From the dropdown list, pick the desired linetype and confirm by pressing Enter.

FAQ

Q1: Can I create a text linetype in AutoCAD LT?
Yes, you can create a text linetype by defining a simple linetype first and incorporating the text character descriptor using the specified format: [“text”, text_style_name, scale, rotation, xoffset, yoffset].

Q2: Are geometric constraints available in AutoCAD LT?
While AutoCAD LT does not allow the creation of new geometric or dimensional constraints, existing constraints can still be viewed and edited within the software.

Q3: What do I do if my linetype isn’t displaying as expected?
If a linetype seems to remain continuous, check the Ltscale variable, which should align with your drawing’s scale. If issues persist, consider adjusting the Viewres variable for better visibility.

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.