AutoCAD

How to Switch to 3D Modeling in AutoCAD 2019 LT?

Understanding 3D Modeling in AutoCAD LT

AutoCAD LT is primarily designed for 2D drafting, and while it can open 3D models created in other software, it lacks many essential tools for comprehensive 3D modeling. Users can view these models but cannot engage with them in a three-dimensional workspace. Thus, if you’re looking to switch to 3D modeling with AutoCAD LT, it’s crucial to understand its limitations and capabilities.

Steps to View a 3D Model in AutoCAD LT

To access 3D models in AutoCAD LT, follow these steps:

  1. Access the View Tab: Navigate to the View tab on the ribbon. If it isn’t visible, alternatively type “VIEW” at the Command prompt to access it.
  2. Utilize the ViewPanel: In the Views panel, select different preset views such as Top, Bottom, or Left to observe the 3D model from various angles.
  3. Employ the ViewCube: For a more interactive approach, utilize the ViewCube located in the top-right corner of the drawing area. It allows you to rotate and view the model from various perspectives.

Transition from 2D to 3D in AutoCAD 2025

Switching from a 2D model to a 3D model in AutoCAD 2025 involves several clear steps:

  1. Open Your 2D Model: Start by loading your existing 2D drawing into AutoCAD.
  2. Select Shapes for Extrusion: Identify and select the 2D shapes that you want to convert into 3D. This could involve various forms such as rectangles or polygons.
  3. Use the Extrude Command: Click on the “Home” tab, then select the “Solid” panel. Click on the “Extrude” command to begin transforming your selected shape. After that, specify the height of the extrusion using the cursor or by typing a specific distance.
  4. Final Adjustments: After extrusion, you may adjust your 3D object by modifying parameters like height and face orientation through additional commands.

Importing 3D Models into AutoCAD LT

When importing a 3D model, ensure you follow these procedures:

  1. Locate the Import Option: Go to the Insert tab and find the Import panel. Click on “Import”.
  2. Select the Appropriate File Type: In the Import File dialog box, choose the file type for your 3D model, such as STL or DGN.
  3. Choose the File: Navigate to the folder where your 3D model is stored, select it, and click “Open”.
  4. Confirm Import: Once you’ve selected your file, click OK to finalize the import process and integrate the 3D model into your workspace.

Changing from 3D to 2D in AutoCAD

If necessary, switching back from 3D to a 2D view can be accomplished easily:

  1. Access the Workspace Switch: Look for the Workspace Switch button on the status bar at the bottom of the AutoCAD window.
  2. Select Drafting and Annotation: Click on this option to revert to the traditional 2D drafting workspace, allowing for easier editing of 2D drawings.

Frequently Asked Questions

Can 3D models created in other software be viewed in AutoCAD LT?

Yes, 3D models created in other platforms can be opened in AutoCAD LT, but users cannot edit or manipulate these models as they would in full AutoCAD versions.

What features are missing in AutoCAD LT for 3D modeling?

AutoCAD LT lacks many 3D modeling tools such as 3D navigation, rendering capabilities, and full access to solids and surfaces commands. It is limited primarily to viewing models.

Is AutoCAD LT suitable for 3D design work?

While AutoCAD LT supports opening and viewing 3D files, it is primarily a 2D drafting application. For substantial 3D design work, the full version of AutoCAD or other dedicated software is recommended.

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.