stl

.stl — Stereolithography File

3D Systems · 1987

开发者

3D Systems

分类

3D与CAD

MIME类型

application/sla

首次发布

1987

开放格式

是

文件签名

73 6F 6C 69 64 (solid, ASCII) or 80 bytes header (binary)

什么是.stl文件？

STL (Stereolithography) is the most widely used file format for 3D printing. It describes the surface geometry of a 3D object using triangular facets without any color, texture, or material information. STL files come in both ASCII and binary formats, with binary being preferred for its smaller file size. The format's simplicity makes it universally supported by 3D printers, slicers, and CAD software.

可以打开.stl文件的程序

平台	程序
Windows	3D Builder	免费	官方
	Blender	免费
	Cura	免费
macOS	Blender	免费
	MeshLab	免费

.stl文件的常见问题

⚠️ Cannot open .stl file

Install one of the recommended programs listed above. For a free option, try the first free program in the list.

⚠️ .stl file is corrupted

Try re-downloading the file. If the file was transferred, ensure the transfer completed without errors.

常见问题

What program opens .stl files?▼

.stl files can be opened with several programs. 3D Builder is one of the most popular choices.

Is .stl a safe file format?▼

Generally yes, .stl files are safe to open with appropriate software.

Can I convert .stl to another format?▼

Yes, there are many online and offline tools available to convert .stl files. Check the conversion section above for specific methods.

技术详情

Stereolithography File files use the application/sla MIME type and were first introduced in 1987 by 3D Systems. The file can be identified by its signature: 73 6F 6C 69 64 (solid, ASCII) or 80 bytes header (binary).

你知道吗？

Stereolithography File was first released in 1987 by 3D Systems

安全信息

.stl files are generally safe to open. However, always ensure your software is up to date to protect against potential vulnerabilities.