3DM to IV Conversion
With our tools, changing 3DM to IV is a breeze - follow these simple 3 steps:
Install Autoconverter
Download and install Autoconverter on your system. Launch the software to convert 3DM files to IV format.
Import 3DM File
Click Open... to load your 3DM file (.3dm), or drag and drop it into the application window.
Export to IV Format
Use Save As... to export your file to the IV file format (.iv).
Still frustrated with 3DM to IV conversion? These step-by-step guides simplify 3DM files conversion:
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Rhinoceros 3D File
The native file format for Rhinoceros 3D (Rhino), a powerful and versatile NURBS-based 3D modeling software. As Rhino’s default format, 3DM is designed to store precise mathematical representations of curves, surfaces, and solids, making it ideal for high-accuracy modeling across industries.
Supported Geometry Types
Known for its precision and versatility, the 3DM format supports a comprehensive range of geometric data types, making it ideal for both organic freeform modeling and technical CAD applications, including:
- NURBS Surfaces: Enables mathematically precise, smooth, and editable surfaces essential for high-end industrial and automotive design.
- Polygonal Meshes: Stores tessellated geometry for 3D printing, rendering, and simulation.
- SubD (Subdivision Surfaces): Allows for flexible, organic modeling with editable subdivision geometry.
- Instance References: Lightweight object copies (not duplicates) that reference a single source, saving memory and ensuring synchronized updates.
3DM File Conversion
Our software solutions enable seamless conversion between 3DM and other major CAD formats (e.g., STEP, IGES, OBJ, DWG, STL). Autoconverter exports only polygonal meshes (STL, OBJ, etc.), suitable for 3D printing and real-time rendering, while Autoshaper preserves NURBS geometry, ensuring superior accuracy for CAD, CAM, and engineering workflows. Both converters can save 3DM files in legacy formats (Rhino 2.X - 7.X) or the latest Rhino 8.X version, ensuring smooth collaboration across different software environments.
Inventor File
The IV format is a 3D graphics file standard developed by Silicon Graphics (SGI) for representing complete 3D scenes. As a text-based format, it stores hierarchical scene graphs containing geometric shapes, materials, lighting, textures, and environment properties. Closely tied to the Open Inventor toolkit, this format served as a foundational C++ library for 1990s 3D graphics development.
Key Features of IV
- File Structure: Uses human-readable ASCII encoding with nested node hierarchies that organize 3D scene elements.
- Format Origin: Developed by Silicon Graphics in the early 1990s as the native file format for their Open Inventor 3D graphics toolkit.
- Scene Representation: Implements a directed acyclic graph (DAG) structure to define parent-child relationships between 3D objects.
- Visual Attributes: Stores comprehensive material definitions including ambient/diffuse/specular colors, shininess, and transparency.
- Texture Mapping: Supports both procedural and image-based textures with UV coordinate mapping.
IV File Conversion
Autoconverter simplifies the process of converting your 3D models into the IV format, ensuring seamless compatibility with both legacy and modern 3D tools. Our IV files converter preserves your geometry, materials, and scene hierarchy in a human-readable structure that remains editable across workflows. Still using legacy Open Inventor tools? Convert modern FBX/glTF models to pristine IV format with Autoconverter today!
3DM vs IV Comparison
| Property | 3DM | IV |
|---|---|---|
| Extensions | .3dm | .iv |
| Name | Rhinoceros 3D Model | Inventor |
| Versions |
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| Textures | ||
| Colors | ||
| Geometry components | ||
| Readers | ||
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