3D Microstructure File Format for Dense Wireframe Printing
Find Innovative SolutionsGenerate Solutions
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), which efficiently represents and processes 3D microstructures by using a data structure comprising node information, wire information, and shell information, allowing for high-fidelity representation of intricate features and enabling parallel processing of wireframe models, thereby reducing material usage and weight, and enabling the creation of mechanical metamaterials and biomimetic designs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional CAD models with triangulated mesh are used 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 microstructure representation into hierarchical levels: macro-geometry defined by coarse mesh and micro-features defined by procedural parameters. This segmentation allows the model to store only essential geometric information at each level, avoiding the need to represent every microscopic detail explicitly, thereby reducing file size while maintaining geometric fidelity when needed.
Solution Approach 2:
The patent applies preliminary action by pre-defining micro-features through procedural generation rules and parameters rather than storing complete geometric data. The micro-features are generated on-demand during slicing or printing operations, which reduces the initial file size and computational burden while preserving the ability to achieve high geometric fidelity when required.
2Manufacturing precision
If high-resolution 3D printing is used to print extremely dense microstructures, then manufacturing precision is improved, but productivity deteriorates due to computational expense
Solution Approach 1:
The patent performs preliminary action by pre-processing the model into a compact hierarchical format with defined micro-feature parameters before slicing. This preliminary structuring enables faster slicing operations because the system only needs to generate micro-features on-demand using stored parameters rather than processing complete high-resolution geometry, thereby improving productivity while maintaining the capability for high-resolution printing.
Solution Approach 2:
The patent applies partial action by selectively generating micro-features only where and when they are needed during the printing process, rather than pre-processing all possible micro-features. This approach reduces computational expense while maintaining manufacturing precision for the actual printed features.
3Manufacturing precision
If complete geometric representation of every strand is created, then manufacturing precision is improved, but ease of manufacture deteriorates due to file management difficulty
Solution Approach 1:
The patent segments the model data into manageable hierarchical components: macro-geometry, micro-feature parameters, and material properties. This segmentation makes file management easier by organizing data into structured, modifiable sections rather than a monolithic complete geometric representation, while still enabling high manufacturing precision through procedural generation of detailed features.
Solution Approach 2:
The patent uses parameter changes to control micro-feature characteristics (such as density, size, and distribution) without changing the underlying file structure. This allows easy modification of feature details by adjusting parameters rather than rewriting complete geometric data, thereby improving ease of manufacture while maintaining manufacturing precision.
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.