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wikipedia.org
https://en.wikipedia.org/wiki/STL_(file_format)
STL (file format) - Wikipedia
STL files describe only the surface geometry of a three-dimensional object without any representation of color, texture or other common CAD model attributes. The STL format specifies both ASCII and binary representations.
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stleditor.com
https://www.stleditor.com/what-is-stl-file
What is an STL File? Complete Guide to STL File Format
STL files are the foundation of 3D printing and additive manufacturing, but many people encounter them without fully understanding what they are or how they work. This comprehensive guide explains everything you need to know about STL files, from their technical structure to practical applications.
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viewstl.com
https://www.viewstl.com/
Free online STL viewer
View 3D STL files directly in your browser - no software installation is required; Supports STL, OBJ, 3MF, VF, VSB, VSJ formats
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adobe.com
https://www.adobe.com/creativecloud/file-types/ima…
STL files explained | Learn about the STL file format | Adobe
STL is a file format commonly used for 3D printing and computer-aided design (CAD). The name STL is an acronym that stands for stereolithography — a popular 3D printing technology.
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all3dp.com
https://all3dp.com/1/stl-file-format-3d-printing/
What Is an STL File? – The STL Format Simply Explained
All that and more as we explain the origins, structure, and uses of the STL file format for 3D printing.
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engineerfix.com
https://engineerfix.com/what-are-stl-files-and-how…
What Are STL Files and How Do They Work for 3D Printing?
Developed by 3D Systems in the 1980s, this file type translates Computer-Aided Design (CAD) models into a format that manufacturing equipment can interpret. It describes the surface geometry of a three-dimensional object without carrying information about color, texture, or internal structure.
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xcitium.com
https://www.xcitium.com/blog/news/what-is-stl/
What Is STL? | Complete Guide to STL Files & 3D Modeling
STL files are the most widely used 3D model format in the world, powering everything from hobbyist 3D prints to aerospace engineering prototypes. The STL format is simple, lightweight, and universally supported across nearly all 3D modeling and production tools.
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crealitycloud.com
https://www.crealitycloud.com/blog/3d-printing-new…
A Beginner's Guide to STL Files in 2025 - CREALITY CLOUD
STL files are the backbone of 3D printing. The term STL stands for Stereolithography or Standard Triangle Language. This file format was first introduced in 1987 by 3D Systems Inc. to support their pioneering 3D printer. Since then, it has become the standard for representing 3D surface geometry.
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3dsystems.com
https://www.3dsystems.com/quickparts/learning-cent…
What Is An STL File? - 3D Systems
What Is An STL File? The STL file format has become the Rapid Prototyping industry's defacto standard data transmission format, and is the format required to interact with Quickparts. This format approximates the surfaces of a solid model with triangles.
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sculpteo.com
https://www.sculpteo.com/en/3d-learning-hub/create…
What is an STL File? – 3D Printing Basics - Sculpteo
STL is the most common file format to use 3D printing. Do you really know what is an STL file? Learn everything about this 3D printing file format.