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Browse by file type:
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.STL File Extension3 File Associations
TIP: Run a free scan for .STL file extension errors.
| File Type 1 |
Stereolithography File (Most common) |
| Popularity |
 Common |
| Category |
3D Image Files |
| File Description |
Design format used for stereolithography, a rapid prototyping technology used for producing three-dimensional parts; contains a 3D design used as a master model for creating numerous prototypes.
Stereolithography is an interchange file format; it is used to save CAD files in a standard format that can be read by multiple CAD applications. |
| Program(s) that open stl files |
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Linux |
 PTC Pro/ENGINEER
Dassault Systemes CATIA
MeshLab |
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| Sponsored Links |
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| Updated 10/28/2008 |
 Fix file extension .STL errors. |
| File Type 2 |
Fireworks Style Library |
| Popularity |
 Uncommon |
| Category |
Data Files |
| File Description |
Library of styles referenced by Macromedia (now Adobe) Fireworks; may be used to apply Stroke, Fill, Effect, and Text attributes to an object within an open Fireworks project; can be helpful for creating a uniform look across multiple objects.
Some styles are included with Fireworks, though additional styles may be added to the program; to add extra styles, click the small icon in the top right corner of the Styles panel in Fireworks and select "Import Styles;" then browse to an STL file and click OK to add the style library to your current collection. |
| Program(s) that open stl files |
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Mac OS |
Adobe Fireworks |
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Windows |
Adobe Fireworks |
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| Sponsored Links |
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| Updated 6/7/2007 |
Fix file extension .STL errors. |
| File Type 3 |
Certificate Trust List |
| Popularity |
 Rare |
| Category |
Web Files |
| File Description |
List of predefined items that have been signed by a trusted entity; may consist of a list of filenames or a list of certificates; each item in the list has been approved by the signing entity.
Certificate trust lists (CTLs) are used by Microsoft IIS to store trusted websites and other addresses that require a secure connection. |
| Program(s) that open stl files |
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Windows |
Microsoft Internet Information Services (IIS) |
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| Updated 6/7/2007 |
Fix file extension .STL errors. |
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