本文讨论什么是STL文件以及如何在Windows 10中打开和查看它。STL代表Standard Tessellation Language和Standard Triangle Language。具有.stl扩展名的文件是^(.stl)立体光刻^{(Stereolithography)}技术原生的 3D 图形文件。立体光刻^{(Stereolithography)}基本上是一种用于创建 3D 模型的 3D 打印技术。

什么是一 .stl 文件？

通俗地说，STL文件包含 3D 网格、几何图形和其他相关信息，用于 3D 打印、快速原型制作和计算机辅助制造。它使用曲面细分^{(tessellation)}概念来编码 3D 模型的表面几何信息。它以ASCII^(ASCII)编码和二进制^(Binary)编码格式存储模型信息。在这两种格式中，都存储了顶点坐标和三角形分量的单位法线向量。

现在，问题出现了，如何打开STL文件并在^(STL)Windows 10 PC上查看它？好吧，让我们在本文中了解如何在Windows 10中查看^{(Windows 10)}STL文件。

如何在Windows 10中打开和查看^{(Windows 10)}STL文件

多个第三方应用程序用于查看 3D 模型，包括Windows 10中的^{(Windows 10)}STL文件。但是，好处是您可以使用Windows 10中称为3D Viewer和Paint 3D的本机应用程序查看STL文件。

1] 3D查看器

3D查看器是您在^(Viewer)Windows 10中获得的默认 3D 文件查看器应用程序。它允许您查看不同格式的 3D 模型，例如STL、FBX、GLTF、OBJ和其他文件。您甚至可以在此应用中查看 3D 动画。Juts使用其File > Open选项来导入您的STL模型并开始查看它。

它允许您将模型的投影自定义为透视、正交^{(perspective, orthographic,)}或倾斜^(oblique)模式。您还可以快速更改视点。

您还可以获得其他一些很棒的查看功能，包括环境和照明选项^{( environment and lighting options)}，如主题和灯光旋转。它还允许您查看^{(view statistics)}STL文件的统计信息和其他信息，包括三角形和顶点的数量、纹理数据、性能数据等。

它还提供标准的放大、缩小、旋转和平移选项。您还可以在Mixed Reality Viewer中打开STL模型。

如果您的 PC 上缺少此应用程序，您可以从microsoft.com获取它。

2] 绘制 3D

Paint 3D是预装在Windows 10中的原生 3D 设计应用程序。它使您能够创建具有各种 2D 和 3D 形状和对象以及其他工具的创意模型。使用它，您还可以打开和查看各种格式的现有 3D 模型文件。它支持包括STL^(STL)在内的一些输入 3D 格式。它支持的其他格式是OBJ、GLB、PLY、FBX和 3MF。

要在Paint 3D^{(Paint 3D)}中查看STL文件，请单击欢迎屏幕上的打开^{( Open)}按钮，然后浏览并将STL文件导入其中。您将能够使用各种 3D 可视化工具查看STL文件中包含的模型。^(STL)您可以快速切换到 3D 视图模式以可视化 3D 模型。只需^(Simply)放大 3D 模型即可仔细查看。

它允许您使用模型下方的自由旋转手柄^{(Free rotation handle)}工具旋转和查看不同方向的STL文件。^(STL)

如果您需要修改STL模型，您可以使用它的几个设计工具来完成。此外，它还允许您将STL转换为其他 3D 文件，如GLB、FBX、3MF。此外，您可以将STL模型转换为 2D 图像和视频（GIF、MP4）格式。可以通过其Menu > Save as选项进行转换。

就是这样！希望本文能帮助您在Windows 10中打开和查看^{(Windows 10)}STL文件。

现在阅读：^{(Now read:)} 什么是 PES 文件？^{(What is a PES file?)}

What is an STL file? How to view STL files in Windows 10?

This article talks about whаt is an STL file and how you can оpen and view it in Wіndows 10. STL stands for Standard Tessellation Language and Standard Triangle Language. A file with .stl extension is a 3D graphic file native to Stereolithography technology. Stereolithography is basically a type of 3D printing technology to create 3D models.

What is an STL file?

In layman terms, an STL file contains 3D meshes, geometry, and other related information and is used for 3D printing, rapid prototyping, and computer-aided manufacturing. It uses the tessellation concept to encode the information of surface geometry of a 3D model. It stores model information in ASCII encoding and Binary encoding formats. In both the formats, the vertices’ coordinates and the unit normal vector to the triangle components are stored.

Now, the question arises that how you can open an STL file and view it on your Windows 10 PC? Well, let us find out in this article how to view STL files in Windows 10.

How to open and view STL files in Windows 10

Multiple third-party applications are used to view 3D models including STL files in Windows 10. However, the good thing is that you can view STL files using the native applications in Windows 10 called 3D Viewer and Paint 3D.

1] 3D Viewer

3D Viewer is the default 3D file viewer app that you get in Windows 10. It lets you view 3D models of different formats such as STL, FBX, GLTF, OBJ, and other files. You can even view 3D animations in this app. Juts use its File > Open option to import your STL model and start viewing it.

It lets you customize the projection of a model to perspective, orthographic, or oblique mode. You can also quickly change the viewpoints.

You get some other great viewing features in it including environment and lighting options like themes and light rotation. It also lets you view statistics and other information of an STL file that includes the number of triangles and vertices, texture data, performance data, etc.

The standard zoom in, zoom out, rotate, and pan options are also available in it. You can also open the STL model in Mixed Reality Viewer.

In case this app is missing from your PC, you can get it from microsoft.com.

2] Paint 3D

Paint 3D is the native 3D designing app that comes pre-installed in Windows 10. It enables you to create creative models with various 2D and 3D shapes and objects and other tools. Using it, you can also open and view existing 3D model files in various formats. It supports a few input 3D formats including STL. The other formats supported in it are OBJ, GLB, PLY, FBX, and 3MF.

To view STL files in Paint 3D, click on the Open button on the welcome screen and then browse and import an STL file to it. You will be able to view the model contained in the STL file using various 3D visualization tools. You can quickly Toggle to 3D view mode to visualize the 3D model. Simply zoom in to the 3D model to look at it closely.

It lets you rotate and view an STL file in different orientations using its Free rotation handle tool present below the model.

If you need to modify the STL model, you can do so using its several designing tools. Furthermore, it lets you convert STL to other 3D files like GLB, FBX, 3MF. Also, you can convert the STL model to 2D images and video (GIF, MP4) formats. The conversion is possible through its Menu > Save as option.

That’s about it! Hope this article helps you open and view STL files in Windows 10.

Now read: What is a PES file?

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