VIDEO TUTORIAL: How to compress / reduce the size of an industrial 3D CAD model with MeshLab and Blender?
Tutorials | 01/08/2025 |
Discover how to elevate your AR Code experience using high-performance 3D models effectively. Previous discussions highlighted a tutorial on Blender for optimizing 3D model file sizes to improve rendering. This alternate method enhances augmented reality (AR) presentations when handling high-definition static CAD models.
AR Code supports an array of 3D CAD file formats, such as 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 and manufacturing sectors, Computer-Aided Design (CAD) is crucial for creating high-definition 3D models of parts and assemblies. These models are developed using advanced 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.
Optimizing Industrial 3D Models for AR
Explore our comprehensive guide on streamlining CAD 3D models for augmented reality using AR Codes. Begin by reducing model vertices in your design software. Our tried-and-true strategies make use of CAD Assistant, Meshlab, Blender, and Gimp for superior outcomes:
Step 1: Convert Non-Annotated Models with CAD Assistant
Take advantage of the free 3D CAD converter, CAD Assistant, which is ideal for personal and commercial use. Download it at https://www.opencascade.com/products/cad-assistant/.
Import your model and export it in .OBJ format, preparing for subsequent steps.
Step 2: Decimate Your 3D Model with MeshLab and Blender
Decimating reduces the vertices of a model but be careful of any potential texture defects. It is advisable to frequently check renders post-decimation. Using both MeshLab and Blender gives optimal results, 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.
Effortlessly upload your 3D model to the AR Code platform. For deeper insights into 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 revolutionize how you engage with digital content, offering immersive interactions through features like 3D File Upload. From captivating AR Photos to engaging AR Videos, the possibilities are endless. Start designing unique AR experiences today with our free trial. For a state-of-the-art customer experience, explore how to implement AR codes in product catalogs.
Video Tutorial: Reduce the Size of a CAD 3D Model
Watch this guide to master the art of reducing 3D model sizes using Blender and Gimp, covering each step with precision. For further tutorials on creating AR experiences, refer to our video tutorial on converting 3D files to GLTF using AR Code Studio.
AR Codes' Advanced 3D Modeling Tools
Dive into interactive digital content through AR Codes using advanced 3D modeling solutions. Explore limitless possibilities, including AR Portals and Object Capture. Inspire and unleash creativity with AR Face Filters, AR Logos, and more. For insights into cutting-edge AR solutions, like AR in real estate, explore our additional resources.
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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