How to Convert DWG to STL in 2024? (3 Helpful Methods)

DWG is the most popular CAD file format to store data on 3D designs. If you want to materialize your designs and bring them to life in physical form, you will need to transform them into a format compatible with 3D printers. In this case, STL is the standard file format for 3D printing that contains information about the 3D model’s shape and surface geometry.

After you convert DWG to STL, you can create scale models, tangibly visualize designs, or verify feasibility before mass production. This enables you to validate the concepts and make necessary adjustments during the prototyping stage. Here are 3 methods for you to get it done with CAD software, desktop converters, and online free tools. Now, let’s kick in and see which one is your best choice.

Convert DWG to STL

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Method 1: Convert DWG to STL in CAD Software

You can create DWG files with a CAD program. Luckily, most of them enable you to directly convert DWG to STL. Here let’s see how it works with two popular CAD software in the following.

How to Convert DWG to STL in ZWCAD

ZWCAD is an amazing CAD tool that supports DWG, DXF, DWT, PDF, and STL. Meanwhile, it makes it a breeze to convert DWG to STL. Thanks to its smooth performance and remarkable features, it has gained loyalty and reputation from both beginners and professionals. With its hardware acceleration, it ensures a seamless conversion between CAD files and smooth performance 1.7x faster than AutoCAD.

Rated as the best CAD software for beginners, ZWCAD leads you through from start to finish with an intuitive user interface and a variety of toolsets. There are smart features like Smart Plot, Smart Mouse, Smart Select, and Smart Voice. As a light program, it can perfectly work on computers with 2GB RAM and 1GB graphics. Now, download and install ZWCAD on your PC, and let’s see how to convert DWG to STL using it.

STEP 1. Launch ZWCAD on your Windows PC and go to “File” > “Open” to open the DWG file.

STEP 2. Then, click “File” > “Export“. In the dialog, choose “Lithography(*.stl)” in “File type“.

STEP 3. Finally, select a folder and hit the “Save” button to save the STL file.

ZWCAD Convert DWG to STL


How to Convert DWG to STL in AutoCAD

AutoCAD is a widely used CAD software developed by Autodesk. It is one of the most popular and longstanding CAD programs in the industry, known for its powerful tools and extensive capabilities. Meanwhile, it also offers a file conversion feature. You may want to learn how to convert DWG to STL in AutoCAD in the following.

STEP 1. Run AutoCAD on your computer after you download and install it.

STEP 2. Select the “Logo” menu and choose “Export” > “Other Formats“.

STEP 3. Select “Lithography(*.stl)” under files of type.

STEP 4. Click “Save” and choose a path to store the STL file.

How to Convert DWG to STL in AutoCAD


Method 2: Convert Files with DWG to STL Converter

Other than professional CAD software, there are two DWG to STL converters that you may give a shot at.

Convert DWG to STL in ABViewer

ABViewer was developed by CADSoftTools, a company that specializes in CAD-related products and solutions. This software is a versatile multi-functional application that enables you to view, edit, convert, and print various types of CAD and 3D files in popular CAD formats such as DWG, STL, DXF, DWF, IGES, STEP, and others. Certainly, it also allows you to convert DWG to STL as follows.

STEP 1. First off, download the Zip file from the official site and unzip it.

STEP 2. Click the “Setup” file and install ABViewer on your Windows.

STEP 3. Go to “File” > “Open” and open your desired DWG file in the program.

STEP 4. Click “File” > “Save As“. Then, select “Stereolithography files (*.stl)“.

STEP 5. After that, choose a folder and click “Save” to store the STL file.

ABViewer Convert DWG to STL


Convert DWG to STL in CAD Exchanger

CAD Exchanger offers CAD data exchange services and software solutions for Windows, macOS, and Linux. It lets you convert files from one CAD format to another which ensures compatibility and smooth data exchange between different software applications. It supports a wide range of CAD formats, including popular ones like DWG, DXF, STEP, IGES, STL, and many more. Now, let’s learn how to convert DWG to STL with it.

STEP 1. Go to CAD Exchanger’s official site and apply for the software.

STEP 2. When receiving a mail with a download link, download and install the software.

STEP 3. Open CAD Exchanger and click the “Import” icon on the left panel to open the DWG file.

STEP 4. Click the “Export” icon on the left and select “Stereolithography (*.stl)“.

STEP 5. Hit the “Export” button and wait until the conversion is done.

CAD Exchanger Convert DWG to STL


Method 3: How to Convert DWG to STL Online Free

As for those who are hesitant to download any software, here also introduce 2 free online tools to consider.

Convert DWG to STL in AnyConv

AnyConv offers a free online DWG to STL converter for anyone to access on any operating system. Moreover, it allows batch conversion of up to 100MB at a time. It will do all the conversion over the cloud and your converted STL files will be removed in an hour. It’s just as easy as ABC to get all things done as introduced below.

STEP 1. On your computer or mobile, visit AnyConv in your browser.

STEP 2. Directly drag and drop your DWG file into the site.

STEP 3. Click “Convert” to start converting DWG to STL format.

STEP 4. After uploading the file to the cloud, click “Download” to save the STL file to your device.

AnyConv Convert DWG to STL Online Free


Convert DWG to STL in eMachineShop

eMachineShop is an online tool to convert CAD files created by any CAD software to another format with no software and signup required. This tool works on Windows, macOS, Linux, Android, and iOS and provides easy accessibility for anyone. Also, it supports file formats including DWG, DXF, STL, STEP, SVG, and so on. Moreover, it allows you to convert DWG to STL online free in a binary format or an ASCII text format. Here’s how it works.

STEP 1. Go to eMachineShop in a browser on your computer or phone.

STEP 2. Click “Upload File” or directly drag your DWG file to the website.

STEP 3. In the “Convert Uploaded file to type” column, choose “STL“.

STEP 4. Choose the “Unit Measure” in “MM” or “Inch“.

STEP 5. Decide the “Thickness” and click “Convert File” to finish the conversion.

eMachineShop Convert DWG to STL Online Free


FAQs About Converting DWG to STL

Can You Turn a DWG into a 3D Model?

Yes, it is possible to convert a DWG file into a 3D model. AutoCAD, as well as other CAD software, provides tools and functionalities to create and manipulate 3D geometry. Here’s how to make it possible.

  1. Open the DWG file in a CAD software such as AutoCAD.
  2. Review the existing 2D drawings or create new ones as needed to serve as a basis for the 3D model.
  3. Extrude or loft 2D shapes to create 3D solids or surfaces. This involves pulling or extending the 2D geometry along a specific axis or using predefined parameters to generate complex shapes.
  4. Apply additional modifications to the 3D model, such as fillets, chamfers, or Boolean operations (union, subtraction, intersection) to combine or subtract solids.
  5. Assign materials and textures to the 3D model to give it a realistic appearance and surface properties.
  6. Perform any necessary refinements, such as adjusting dimensions, smoothing surfaces, or adding details.
  7. Export the 3D model in a suitable format such as STL, OBJ, or STEP. These file formats are commonly used for 3D printing, rendering, and other applications.


Why Do Things Take So Long to Go from DWG to STL?

The time it takes to convert a DWG file to an STL file depends on several factors. If the DWG file contains intricate or intricate geometries, it may take longer to convert them into a suitable 3D representation. Meanwhile, the CAD software you are using plays a role in the conversion speed. Different software packages have varying efficiencies in handling DWG to STL conversions.

What’s more, the processing power of your computer also affects the conversion time. Converting complex or large DWG files into 3D models can be computationally intensive. A more powerful computer with sufficient RAM and processing capabilities can handle the conversion faster compared to a less powerful system. The size of the DWG file can influence the conversion duration as well. Larger files require more time to process, especially when converting complex designs with many elements.

To optimize the conversion time, it can be helpful to simplify the DWG drawings, use software with efficient conversion capabilities, ensure your computer meets the recommended specifications, and adjust the conversion settings as needed.



You may need to convert DWG to STL for various reasons, especially when dealing with 3D modeling and 3D printing. Just go over all the methods above and you’ll get the best way to work it out.

  • If you don’t want to download any software, online free tools are worth a shot.
  • If you want a desktop converter, take ABViewer and CAD Exchanger into consideration.
  • If you want to edit or modify the DWG file before the conversion, then lightweight CAD software like ZWCAD will definitely be your best helper.