3DX File Extension
Rhino 3D Graphic
- File Type 3dx
- Popularity
- Application Rhino 3D
- Category 3D Image Files
What is a 3DX file?
Rhino 3D Graphic, identified by the 3DX extension, is a 3D Image Files type and includes 618 files.
3DX files are supported by Linux, Windows and Mac OS. You can open a 3DX file using one of 5 programs, for example Rhino 3D, 3D Object Converter and ViaCAD Pro.
Programs that support 3DX files
How to open a 3DX file?
The most common reason why a 3DX file cannot be opened is the absence of required software. To fix this, select a compatible program from the list. Then visit the official developer website via the provided link, download the program, and install it on your system.
The most popular programs for working with 3DX files are Rhino 3D, 3D Object Converter and ViaCAD Pro. To get the latest version of Rhino 3D, open the McNeel website where a universal installer for all operating systems is available.
Once setup is done, your operating system should assign Rhino 3D as the default app for 3DX files.
Make Rhino 3D the default 3DX viewer
Changing the default program in Windows
- Start by right-clicking on your 3DX file and selecting the "Open With" option. From there, click "Choose another app" to continue;
- Inside the popup window, scroll through the list of applications and specifically choose Rhino 3D as the application to associate with your 3DX file;
- Check the "Always use this app" checkbox and click "OK".
Change the default app to open files on Mac
- Right click or use Control + Left Click on the desired 3DX file to access a dropdown menu of actions;
- Select "Open in application" and click "Other";
- Scroll down to the bottom of the window, where you will find the "Enable" menu. Default, "Recommended Programs" will be selected;
- In this menu, choose "All Programs" and navigate to Rhino 3D. Check the box next to "Always open in app" to make it the default program.
Convert to and from 3DX
Please note that after converting a 3DX file, some functionality may differ from the original. However, in many cases, it can be converted back to its original format.
Converting Files to 3DX Format
Finding answers to 3DX file problems
If you encounter issues with 3DX files, don’t worry—most can be fixed with minor software adjustments. Refer to the troubleshooting tips below.
What are the signs that my 3DX file is damaged?
Corrupted 3DX 3d image files may have one or more of the following symptoms:
- Poor performance when editing a file in Rhino 3D;
- Opening or processing the file in Rhino 3D or other programs causes instability or crashes in the program;
- The file shows errors when trying to open it or does not open completely;
- Unexpected expansion of the total size of the 3DX file;
- Working with the file triggers the display of error messages;
Why does Rhino 3D quit or crash unexpectedly?
Rhino 3D crashes can be attributed to outdated software. Make sure you have installed the latest updates for McNeel products.
A computer restart is often the key to solving numerous common problems. That’s why, it is recommended to restart the computer before making any changes to the software settings.
What methods can be used to repair a damaged 3DX file?
Use a recovery program to open the damaged 3DX file and navigate to the "Repair" menu item. Wait for the recovery process to finish, as it will automatically repair damaged 3d image files.
How to edit a 3DX file?
To edit 3DX files, you need to install specialized software that allows you not only to open but also to modify 3d image files. Online 3DX editors usually provide fewer features than software created specifically for Rhino 3D Graphic.
List of Top 3DX editors 2026
Following these criteria, we have put together a list of recommended 3DX editors.
| 3DX Editor Software | Developer | Platforms | Overall Rating |
|---|---|---|---|
| Rhino 3D | McNeel | Windows, Mac OS, Linux | 4.7 out of 5 (38 reviews) |