MESO Wireframe Format for Dense 3D Microstructure Printing
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Solution Overview
Problem
Conventional 3D printing technologies face challenges in directly printing extremely dense microstructures such as fur, feather, or woven fabric due to the lack of efficient digital representation of CAD models with fine material structure, leading to large file sizes and computational inefficiencies.
Innovation Solution
The introduction of a new file format, MESO (.MESO or .meso), which provides an advanced interface for designers and 3D printers, enabling efficient workflows for computational design and data transfer by representing 3D microstructures with node, wire, and shell information, and allowing for the blending and interpolation of geometries to create complex structures like fur or feathers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional CAD approaches use triangulated mesh to represent dense microstructures, then geometric fidelity is improved, but file size becomes extremely large and processing becomes computationally expensive
Solution Approach 1:
The patent segments the dense microstructure into hierarchical levels: macro-geometry defined by coarse mesh and micro-structures defined by procedural parameters. This segmentation allows the model to maintain geometric fidelity for visible features while avoiding the computational burden of representing every microscopic detail explicitly, thus resolving the contradiction between precision and complexity
Solution Approach 2:
The patent applies local quality by using different representation methods for different parts of the model. Critical surfaces requiring high fidelity are represented with detailed mesh, while internal or less critical micro-structures are represented with procedural generation rules. This selective approach maintains necessary geometric accuracy while reducing overall file size and computational requirements
2Manufacturing precision
If high-resolution stereolithography 3D printing is used to print intricate structures, then manufacturing precision is improved, but material usage and weight increase
Solution Approach 1:
The patent utilizes porous lattice structures that maintain high manufacturing precision through controlled pore distributions. These porous materials achieve the desired surface textures and intricate patterns while using significantly less material than solid structures, thereby reducing weight while preserving printing resolution capabilities
Solution Approach 2:
The patent applies partial action by selectively applying high-resolution printing only to surfaces and regions where intricate details are functionally required, rather than printing the entire object at maximum resolution. This approach maintains necessary manufacturing precision for critical features while reducing overall material usage and weight
3Adaptability or versatility
If conventional 3D printing file formats are used for dense microstructures, then compatibility is improved, but productivity decreases due to large file sizes and processing time
Solution Approach 1:
The patent introduces an intermediary file format that serves as a bridge between conventional CAD systems and 3D printing systems. This intermediate format stores procedural generation rules and hierarchical structure definitions rather than explicit geometric data, enabling efficient processing while maintaining compatibility with standard workflows and tools
Data Source
AI summary
Systems, methods, and new file formats are provided for printing 3D microstructures. In some implementations, a new file format is provided that defines 3D objects by a wireframe model expressed as a collection of wires. Because wires and their parameters are defined within the new file format, objects may be processed more efficiently and quickly to support 3D rendering operations. Such methods may be used to print new articles, such as eyelashes, bushes, swabs and other novel items.