STL to IV Conversion
You can easily transform STL into IV by following our simple guide:
Install Autoconverter
Download and install Autoconverter on your system. Launch the software to convert STL mesh files to IV format.
Import STL Mesh File
Click Open... to load your STL (.stl) mesh file, or drag and drop it into the application window.
Export to IV Format
Use Save As... to export your mesh file to the IV file format (.iv).
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What is an STL File? (STereoLithography Format Explained)
The STL file format (short for STereoLithography) was developed by 3D Systems, a pioneer in the 3D printing industry, to simplify rapid prototyping and manufacturing processes. Today, STL files are one of the most common file types used in computer-aided design (CAD), digital fabrication, and additive manufacturing workflows. STL models exclusively represent 3D geometry as a triangular mesh, offering high compatibility and fast processing across various 3D printers and modeling software.
Key Features of the STL Format
- Lightweight and Simple: An STL file contains only the coordinates of vertices and normal vectors of triangles, making it extremely easy for 3D software and printers to interpret.
- No Textures or Materials: STL models do not store color, texture, transparency, or material information, resulting in pure geometric representations without extra attributes.
- Two Storage Methods: STL files are available in two distinct formats:
- Binary STL: The most popular choice due to its small file size, ideal for faster saving, sharing, and printing.
- ASCII STL: A human-readable text format that explicitly describes each triangle but produces significantly larger files.
- No Fixed Units: The STL format does not define units (millimeters, inches, etc.). Most programs assume millimeters by default. Our STL files converter can automatically handle unit adjustments during file conversion if needed.
STL File Conversion Made Easy
Looking to convert STL files into other popular 3D formats? Autoconverter and Automesher Application offer powerful, high-precision STL file conversion to formats like STEP, OBJ, and SKP. These tools allow you to:
- Preserve mesh accuracy and surface details during conversion.
- Batch convert multiple STL files automatically.
- Optimize, clean, and repair STL models for 3D printing or CAD workflows.
Whether you are a 3D designer, engineer, or enthusiast, our STL converters streamline your work. Convert STL to STEP, OBJ, SKP and more - start your free trial today!
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!
STL vs IV Comparison
| Property | STL | IV |
|---|---|---|
| Extensions | .stl | .iv |
| Name | STereoLithography | Inventor |
| Versions | ||
| Textures | ||
| Colors | ||
| Geometry components | ||
| Readers | ||
| Writers |