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.stl

File Type Stereolithography File IconStereolithography File
File Format Standard (developed by 3D Systems)
Usage Open manually
Popularity ★ ★ ★ ★ ★  Popular
Description

The STL format is a standard file format used by Stereolithography hardware and software. Stereolithography, also called "optical fabrication" or "solid imaging," is a 3D printing technology used for producing three-dimensional models, prototypes, and production parts.

STL files contain a 3D design that serves as a master model for creating numerous prototypes. The STL format is an interchange file format supported by several different CAD programs and 3D printers.

Open With
Windows

IconMicrosoft 3D Viewer

IconMicrosoft 3D Builder

IconMicrosoft Print 3D

macOS

IconApple Preview

IconAutodesk Fusion 360

IconIMSI TurboCAD for Mac

Unix

IconAutodesk Fusion 360

IconParametric Technology Pro/ENGINEER

IconDassault Systemes CATIA

Published September 20, 2013
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Information from the PC File Extensions Reference
https://pc.net/extensions/stl
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