Get a free DWG viewer to view, open, edit and convert.dwg files, the native file format for AutoCAD files. DWG Trueview includes DWG TrueConvert. Is a lightweight 3D viewer of medical DICOM datasets distributed as open source software. The viewer is a multiplatform software written in C that runs on Windows, Mac OS X and Linux systems. Its license allows you to use it for free. Description Create, visualize and document 2D and 3D designs in computer-aided drafting environments. Take advantage of Apple’s Trackpad capabilities and the full-screen mode. Save files in the DWG format, access and synchronize your CAD content from your Mac with files in the cloud, etc. A C3D file is a 3D model saved in the C3D Labs binary format, which is a CAD format used in architectural and machine building industries. It contains geometric object data for a 3D model, such as curves, points, triangulation, assemblies, and bodies. C3D files are the primary files used to exchange 3D models using C3D Labs software. But you can try installing it on Mac in virtualized environments including Parallels Desktop and VMware Fusion. You can also run it via Boot Camp, part of Mac OS X that lets you install and run Windows (and Windows-based applications) on a Mac.

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1st Method: Open it in another program.

When you double-click C3D files, your computer attempts to open it in a program associated with C3D files. If there’s no program associated with C3D files on your computer, the file won’t open. To open the file, download one of the most popular programs associated with C3D files such as Cult3D Designer Intermediate File, Coordinate 3D, or Chem3D Chemical File.

2nd Method: Take a hint from the file type.

The C3D file extension usually indicates it's under the umbrella of Data Files. However, if it’s another file type, it might not open with one of the programs listed above. Take the following steps to find the file type:

  1. Right-click the file.
  2. Click “Properties” (Windows) or “More Info” (Mac).
  3. Locate the file type under either “Type of File” (Windows) or “Kind” (Mac).

3rd Method: Check with the developer.

So you’ve tried using a different program, you’ve confirmed the file type, and your C3D file still won’t open. Even if these methods were unsuccessful, you might still be able to reach out to a software developer for help. Use the chart below to find the developer for each of the programs mentioned above and contact them directly for assistance.

SoftwareDeveloped By
Cult3D Designer Intermediate FileUnknown
Coordinate 3DPC Software Company
Chem3D Chemical FileCambridgeSoft Corporation
MicrografxPC Software Company

4th Method: Open it in a universal file viewer.

If the developer isn’t able to help, a universal file viewer probably can. File Magic (Download) and similar programs are designed to open a wide variety of file formats, including C3D files. Some aren’t compatible and will only open in binary. Download File Magic now to open you C3D and hundreds of other file types with one program!

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