Free online STL to 3DS converter

How to convert models from STL format to 3ds Max format.

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.stl .3ds

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How to convert stl to 3ds file

June 15, 2026
3D modeling
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Most CAD/3D programs with 3D printing support should be able to import Stereolithography CAD files (.stl) and process the data so they can be saved in one of the common 3D formats. For some proprietary formats, such as .3ds filesfrom 3ds Max, it might be a little more tricky, but stl to 3ds conversion should be still doable.

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Understanding STL and 3DS file formats

The STL file format, which stands for Stereolithography, is widely used for 3D printing and computer-aided design. It represents 3D models using a series of linked triangles, making it ideal for rapid prototyping and manufacturing processes. On the other hand, the 3DS file format is associated with Autodesk's 3D Studio and is used for storing 3D models, animations, and scenes. It supports a variety of features such as textures, lighting, and shading, making it popular in the gaming and animation industries.

How to convert STL to 3DS

Converting an STL file to a 3DS file involves transforming the simple triangular mesh of the STL into the more complex and feature-rich 3DS format. This process can be accomplished using specialized software that supports both file types.

Best software for STL to 3DS conversion

One of the best software options for converting STL to 3DS is Autodesk 3ds Max. This powerful tool allows users to import STL files and export them as 3DS files. To perform the conversion, follow these steps:

Open Autodesk 3ds Max.
Go to File → Import and select your STL file.
Once the file is imported, go to File → Export and choose the 3DS format.
Save the file to your desired location.

Another option is Blender, a free and open-source 3D creation suite. Blender supports both STL and 3DS formats, making it a versatile choice for file conversion. To convert using Blender:

Open Blender.
Go to File → Import → STL and select your file.
After importing, go to File → Export → 3DS to save the file in the 3DS format.

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STL vs 3DS: format comparison

How the STL and 3DS formats compare on the properties that matter most for this conversion.

Comparison of the STL and 3DS file formats
Property	.STL Stereolithography	.3DS 3D Studio Mesh
Geometry	Polygon mesh	Polygon mesh
Materials	No	Limited
Textures	Not supported	Referenced externally
Animation	No	Yes
Scene hierarchy	No	No
Plain-text readable	Yes	No
Typical file size	Small	Medium
Open standard	Partly open	No
Introduced	1987	1990
Developer	3D Systems	Autodesk
MIME type	model/stl	—

Open STL file Open 3DS file

Frequently asked questions

Is the STL to 3DS converter free?

Yes, converting STL to 3DS on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.

How large can my STL file be?

You can upload STL files up to 50 MB and convert up to 1 files at once in a single batch.

What happens to my uploaded files?

Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.

Do I need to install any software to convert STL to 3DS?

No. The STL to 3DS conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.

Did the conversion fail?

In most cases, the cause is an incorrect file format. Please upload a valid STL file for this STL to 3DS conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.

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Additional formats for
stl file conversion

Reverse conversion

3ds to stl

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