.AMF File Extension

File Type 1

Additive Manufacturing File

Developer ASTM
Popularity
4.0  |  6 Votes
Category 3D Image Files
Format XML

What is an AMF file?

An AMF file is an additive manufacturing file used by CAD programs to describe objects for 3D printing purposes. It contains one or more objects, which include the geometry, color, and material of the volumes that make up the object(s). AMF files also store the constellation (arrangement) of multiple objects and metadata that specifies the author, name, copyright, and special instructions for the object(s).

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Since the 1980s the .STL format has been the industry standard for storing and transferring information between CAD programs and additive manufacturing tools. Now, with the rise of 3D printing, more capable formats are needed to store and transfer all the necessary 3D object information for 3D printing. This need has led to the increased popularity of the .3MF and AMF formats.

The AMF format is an open format developed by the American Society for Testing and Materials (ASTM) released in 2013. The format is designed to be a unifying solution for storing 3D object information much like the .PDF format is for storing documents. It is XML-based and was designed to be simple, scalable, and backwards and future compatible. The format uses triangle meshes for describing surfaces, whether they are curved or non-planar edges on 3D surfaces. Colors are specified using RGBA (red, green, blue, and alpha channels) values.

You can export 3D object information to the AMF format using programs such as Dassault Systemes SOLIDWORKS and Autodesk applications. 3D printers that support the format include Materialise and Shapeways. You can view AMF files with the free cross-platform Autodesk Meshmixer application.

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Programs that open or reference AMF files

Updated August 15, 2016
File Type 2

Advanced Module File

Developer N/A
Popularity
3.5  |  2 Votes
Category Audio Files
Format N/A

What is an AMF file?

Song file saved in the DSMI Advanced Module Format (AMF); contains song data and samples that are used for the instrument sounds; can be played with supporting audio tracker programs.

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AMF may also stand for the "ASYLUM Music Format."

Programs that open AMF files

Updated December 26, 2018
File Type 3

Asylum Music Format Audio File

Developer ORIGIN Systems
Popularity
1.0  |  1 Vote
Category Game Files
Format Binary

What is an AMF file?

An AMF file contains a song played in either the video game Crusader: No Remorse or Crusader: No Regret. It is saved in the Asylum Music Format, which is similar to the .MOD format. You can play AMF files in VideoLAN VLC media player.

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Screenshot of a .amf file in VideoLAN VLC media player
AMF file open in VideoLAN VLC media player

Crusader: No Remorse and Crusader: No Regret are third-person action games set in a dystopian future. They were developed by ORIGIN Systems and published by Electronic Arts in 1995 and 1996.

The MS-DOS versions of Crusader contain music saved as AMF files. Some players have extracted these files, so they can listen to the games' music outside the games.

How to open an AMF file

You can open and play an AMF file in VideoLAN VLC media player (cross-platform). You can also use VLC media player to convert AMF files to a more common audio format, such as .MP3.

Programs that open AMF files

Updated December 9, 2021

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