A 3dm file extension is associated with the QuickDraw 3D a graphics library for Mac OS used to visualize 3D graphics. A 3dm file stores 3D graphics.

There are 2 other file types using
the 3DM file extension!

empty icon.3dm - 3D NURBS CAD data

empty icon.3dm - 3DML model

Detailed description

Software that open 3dm file

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3DM file extension - QuickDraw 3D metafile

What is 3dm file? How to open 3dm files?

File type specification:

3d graphics, CAD-CAM-CAE file type icon 3d graphics, CAD-CAM-CAE file type

The 3dm file extension is related to Quickdraw 3D, a no longer used 3D graphics application programming interface developed by Apple for Mac OS. Mac OS X uses OpenGL instead.

A 3dm file contains hierarchical description of a scene, named objects, textures, surfaces, lights, camera, position, rotation, fog, nurbs, matrix - & quaternion transforms.

Used by various Mac OS software like Strata, Infini-D, RayDream Designer, etc.

MIME types:
x-world/x-3dmf

This 3dm file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Updated: October 2, 2018

The default software associated to open 3dm file:

Apple, Inc. logoApple QuickDraw  Apple macOS / Mac OS X software

Company or developer:
Apple, Inc.

Apple QuickDraw is 2D graphic library used by operating systems for Macintosh computers.

DesignWorkshop picture or screenshot

DesignWorkshop  Apple macOS / Mac OS X software

Company or developer:
Artifice, Inc.

DesignWorkshop is fast, friendly 3D software for creating 3D models, walkthroughs, and renderings, from initial sketches to complete house and landscape rendering and walkthrough. 

Help how to open:

Use DesignWorkshop to open *.3dm files.

How to convert:

Use AccuTrans, or PolyTrans to transform *.3dm files to other file formats..

List of software applications associated to the .3dm file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open 3dm file, edit 3dm file, convert 3dm file, view 3dm file, play 3dm file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting 3dm files.

Software that open 3dm file - QuickDraw 3D metafile

Programs supporting the exension 3dm on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open 3dm file action.

Apple macOS / Mac OS X:

Main software associated with 3dm file by default:
Apple QuickDraw
DesignWorkshop

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