VIDEO TUTORIAL: How to compress / reduce the size of an industrial 3D CAD model with MeshLab and Blender?
Tutorials | 01/07/2025 |
Unlock the secrets to elevating your AR Code experience with high-performance 3D models. We've previously discussed a tutorial on how to use Blender to optimize 3D model file sizes for optimal rendering. If you're dealing with high-definition static CAD models, this alternate approach can enhance your augmented reality (AR) presentations.
We support a variety of 3D CAD file formats including STL, OBJ, STP, IGS, OFF, GLTF, GLB, WRL, BREP, XBF, PLY, MSH, PNG, LOG, ES, 3DS, QOBJ, PTX, VMI, PTS, APTS, XYZ, PDB, TRI, ASC, TXT, X3D, X3DV, FBX, BRE, DAE, and E57.
Understanding Industrial 3D CAD Models for AR
In the Industrial & Manufacturing sector, Computer-Aided Design (CAD) is vital for offering high-definition 3D models of parts and assemblies. Crafting these models involves sophisticated 3D CAD software such as Fusion 360 Autodesk, Solidworks, CorelCAD, AutoCAD, Tinkercad, FreeCAD, SketchUp, Solid Edge, Bentley, LibreCAD, SOLVESPACE, BRL-CAD, QCAD, IRONCAD, PTC, CATIA, OpenSCAD, Rhino, and Siemens NX.
Cutting Down the Size of Industrial 3D Models for AR
Delve into our comprehensive guide to streamline CAD 3D models for augmented reality using AR Codes. Start by reducing model vertices in your design software. Our proven methods leverage CAD Assistant, Meshlab, Blender, and Gimp for top-notch results:
Step 1: Convert Non-Annotated Models with CAD Assistant
Utilize the free 3D CAD converter, CAD Assistant, suitable for both personal and commercial projects. Download it at https://www.opencascade.com/products/cad-assistant/.
Import your model and export it in .OBJ format, setting the stage for subsequent steps.
Step 2: Decimate Your 3D Model with MeshLab and Blender
Decimating reduces model vertices but be cautious of potential texture defects. Frequent render checks post-decimation are advised. Using both MeshLab and Blender provides optimal outcomes, with MeshLab being excellent for static model decimation. Explore more on reducing file size with our tutorial on how to compress or reduce the size of an industrial 3D CAD model with MeshLab and Blender.
Decimation with Blender: (https://www.blender.org/download/)
- Import your 3D file (compatible formats include GLB, GLTF, DAE, ABC, USD, BVH, PLY, STL, FBX, OBJ, and X3D)
- Decimate each mesh aiming for fewer than 40,000 faces. Use Meshlab if UV holes appear.
- Export in *.glb format, applying modifiers but skipping compression.
Decimation with MeshLab: (https://www.meshlab.net/#download)
- Import 3D formats like ES, 3DS, PLY, STL, OBJ, and more.
Choose based on texture presence:
- Textured: Apply 'Quadric Edge Collage Decimation' with texture.
- Without texture: Use 'Quadric Edge Collage Decimation'.
Ensure your model retains quality by setting the face count appropriately.
Export in *.obj format to include textures.
Step 3: Compress Textures with Gimp
If your model contains textures, follow these steps:
- Import model into Blender, exporting in .gltf + .bin + textures.
- Open texture files in GIMP.
- Scale images (recommend 1024x1024) for optimal compression: Image > Scale Image.
- Export as *.jpg with resolution 90 (or lower for enhanced compression): File > Export as.
- Edit the .gltf file to update texture formats (e.g., ".png" to ".jpg") and save.
Step 4: Convert Your Model to .GLB for AR Code Upload
Final conversion steps:
- Import .gltf model into Blender.
- Consider a Blender decimation post-MeshLab if needed, as detailed in Step 2.
- Export in *.glb format, applying modifiers without compression.
Upload your 3D model effortlessly to the AR Code platform. For more insights on managing file sizes for AR, check out our guide about managing file size limitations for 3D models on AR Code.
Enhance Your AR Experience with AR Codes
AR Codes offer a transformative way to engage with digital content, unlocking immersive interactions through features like 3D File Upload. From stunning AR Photos to dynamic AR Videos, the opportunities are limitless. Start crafting unique AR experiences today with our free trial. Learn more on how to implement AR codes in product catalogs for a cutting-edge customer experience.
Video Tutorial: Reduce the Size of a CAD 3D Model
Watch this instructional video to master reducing 3D model sizes using Blender and Gimp, covering every step with precision. For further tutorials on creating AR experiences, visit our video tutorial on converting 3D files to GLTF using AR Code Studio.
AR Codes' Advanced 3D Modeling Tools
Immerse in interactive digital content with AR Codes, utilizing advanced 3D modeling tools. Explore limitless features including AR Portals and Object Capture. Engage and explore creativity with AR Face Filters, AR Logos, and more. Consider reading our additional resources on innovative AR solutions, like AR in real estate.
Frequently Asked Questions
What are industrial 3D CAD models and why are they used?
Industrial 3D CAD models are precise representations used in industry for visualizing, planning, and simulating products and systems. High definition is crucial for production, with designs crafted in specialized software like Fusion 360 and Solidworks. Discover more about the transformation of industrial companies with AR Code.
How can I convert my 3D model using CAD Assistant?
CAD Assistant provides a free, versatile conversion tool for both personal and commercial use. Obtain it at https://www.opencascade.com/products/cad-assistant/, and easily convert models to .OBJ format for further steps.
What is 3D model decimation and why is it important?
3D model decimation reduces vertices to decrease file size, essential for optimal AR display. It must be balanced to avoid definition loss, ensuring smooth model rendering. For more on 3D model optimization, refer to our video tutorial on optimizing 3D models for AR.
How to compress the textures of a 3D model with Gimp?
Using Gimp, compress textures by scaling and converting formats for better performance. Begin by exporting your model from Blender as .gltf + .bin + textures, then use Gimp to adjust image sizes and formats for efficient compression.
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