.3d4 — Rhino 3D Scene
Robert McNeel & Associates · 1990
A proprietary 3D scene file used by Rhino software to save complex modeling projects.
Key Features
- Stores complete Rhino 3D scene information
- Includes geometry, layers, materials, and lighting
- Proprietary format optimized for Rhino software
- Supports NURBS and mesh-based modeling data
Best For
- Storing native Rhino 3D project files
- Maintaining all scene elements for later editing in Rhino
- Collaborating with other Rhino users on the same project
Less Ideal For
- Directly importing into game engines
- Sharing models with users of non-Rhino software
- Web-based 3D viewing without conversion
- Lightweight 3D model exchange
Common Use Cases
- Saving ongoing design projects in Rhino
- Archiving completed Rhino models
- Sharing work-in-progress with other Rhino users
- Creating backups of complex 3D scenes
How to Open It
- Open the .3d4 file directly within Rhino 3D software.
- If Rhino is installed, double-clicking the file may launch the application and open the scene.
- For other software, export the scene from Rhino to a compatible format like .OBJ, .FBX, or .STL.
What is a .3d4 file?
The .3d4 file format is a native scene file for Rhino 3D, a popular NURBS-based 3D modeling software. It stores all the information needed to reconstruct a 3D project, including geometry, layers, materials, lights, and viewports. This format is proprietary to Rhino and is primarily used for saving and exchanging work within the Rhino ecosystem. While it contains comprehensive project data, it's not designed for direct use in most other 3D applications without conversion.
Programs That Open .3d4 Files
| Platform | Program | ||
|---|---|---|---|
| Windows | Rhino 3D | Paid | Official |
| macOS | Rhino 3D | Paid | Official |
How to Convert .3d4 Files
| Format | Method |
|---|---|
| .OBJ | Rhino 3D export function |
| .FBX | Rhino 3D export function |
| .STL | Rhino 3D export function |
Common Problems with .3d4 Files
Frequently Asked Questions
No, .3d4 is a proprietary format specific to Rhino 3D software and is not a widely adopted industry standard for general interchange.
Yes, if you have Rhino 3D installed on your macOS system, you can open .3d4 files.
.3dm is the primary native file format for Rhino, while .3d4 may refer to older versions or specific scene saving methods within Rhino's history, though .3dm is the current standard.
Technical Details
The .3d4 file format is a binary file that encapsulates rich 3D scene data. It utilizes Rhino's internal data structures to store NURBS curves and surfaces, mesh data, and associated scene elements. This format is specific to Rhino and not a widely adopted interchange format, meaning direct import into other 3D modeling software often requires export to a more universal format.