OBJ to STL

Convert OBJ to STL using C# .NET

The OBJ format is widely used for representing 3D models, storing data like vertex positions, textures, and normals. STL (Stereolithography) is another common 3D file format primarily used for 3D printing, as it contains only the surface geometry of a 3D object. Converting OBJ to STL allows users to prepare 3D models for rapid prototyping and 3D printing.

Benefits of OBJ to STL Conversion

  • OBJ Format: OBJ files are highly versatile and contain rich 3D information such as coordinates, normals, and textures. They are commonly used in software like Blender, Autodesk, and others for 3D rendering.

  • STL Format: STL files are preferred for 3D printing and manufacturing purposes. They contain the surface geometry in a simple format, making them compatible with almost all 3D printers and CAD software.

However, by converting OBJ to STL, you can easily move from detailed 3D models to printer-ready designs, thus simplifying the process of 3D printing and model validation.

3D Model Processing API

Aspose.3D Cloud SDK offers a powerful set of tools for handling 3D models and file transformations. With just a few lines of C# code, you can upload an OBJ file, specify the output as STL, and convert the file seamlessly. As a result, the output STL file is optimized for 3D printing and CAD applications, making this a perfect solution for engineers, designers, and developers needing to prepare 3D models for rapid prototyping.

Installation

Firstly, we need to search Aspose.3D-Cloud in NuGet packages manager and click the Add Package button. Secondly, obtain your client credentials from cloud dashboard. In case you do not have an existing account, simply create a free account by following the instructions specified in the quick start article.

Convert OBJ to STL in C#

This section explains the straightforward and efficient process for converting OBJ files to STL with C# .NET

ThreeDCloudApi threeDCloudApi = new ThreeDCloudApi("client_credentials", clientID, clientSecret);

create an instance of ThreeDCloudApi, where we pass the Client ID and Client Secret details as arguments.

threeDCloudApi.UploadFile(inputFileName, inputStream);

Upload the source OBJ file to the cloud storage.

var response = threeDCloudApi.PostConvertByFormat(inputFileName, "stlascii", newFileName, null, isOverwrite: true, null);

Call the API to perform the OBJ file to STL conversion.

The API supports following STL file formats during the conversion. stlascii or stlbinary.

obj to stl

A preview OBJ to STL conversion.

The sample OBJ file used in the above example can be downloaded by GameReady Cottage.obj.

OBJ File to STL using cURL Commands

For those who prefer working with cURL commands, Aspose.3D Cloud also supports REST API interaction. Here’s how you can convert OBJ to STL using cURL:

Step 1: Get Access Token

You need an access token to authenticate your API requests. Use the following command to get your token:

curl -v "https://api.aspose.cloud/connect/token" \
-X POST \
-d "grant_type=client_credentials&client_id=Your-App-SID&client_secret=Your-App-Key" \
-H "Content-Type: application/x-www-form-urlencoded"

Step 2: Upload OBJ File

Once you have the token, upload your OBJ file to Aspose Cloud storage:

curl -v "https://api.aspose.cloud/v3.0/3d/storage/file/sample.obj" \
-X PUT \
-H "Authorization: Bearer your_access_token" \
--data-binary @sample.obj

Step 3: Convert OBJ to STL

To convert the OBJ file to STL, use the following cURL command:

curl -v "https://api.aspose.cloud/v3.0/3d/saveas/newformat?name={sourceFile}&newformat=stlascii&newfilename={convertedFile}&IsOverwrite=false" \
-X POST \
-H "accept: application/json" \
-H "authorization: Bearer {accessToken}"

Replace sourceFile with the name of input OBJ file, resultantFile with the name of resultant STL file and accessToken with JWT token generated above.

Free Wavefront OBJ to STL Converter App

In order to witness the amazing capabilities of Aspose.3D Cloud, you may consider using our lightweight and super efficient Wavefront OBJ to STL converter App.

obj to stl

A preview of Wavefront OBJ to STL Converter App.

Conclusion

Converting OBJ to STL is a critical process for 3D printing and prototyping. Whether you prefer using the SDK or interacting with the API via cURL commands, the process is straightforward and flexible, making it easier for developers to handle complex 3D transformations. We encourage you to explore Aspose.3D Cloud and take advantage of its robust features for 3D file manipulation.

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