Technical MIME Specification & Web Server Guide

model/stl

Technical overview, official IANA specification, header magic bytes, and server configuration snippets for .STL files (Stereolithography 3D File).

File Extension

.stl

Content-Type Header

model/stl

Format Category

3D & CAD

Standard Specification

IANA Registered Standard

Description & Usage

3D geometry mesh format composed of triangular facets used for 3D printing.

HTTP Server Content-Type Configuration Code

# Nginx mime.types configuration for .stl
types {
    model/stl    stl;
}

OS Compatibility Matrix

Windows

macOS

Linux

Android

iOS

Want to test header signatures or binary files?

Run binary magic byte inspection in Magic Byte Detector.

Preguntas frecuentes

Respuestas claras a las preguntas más habituales.

The official MIME content type for .stl files is "model/stl". Web servers use this header to instruct browsers how to render or process .stl data.