Unified Multi-Material 3D Model via Interior Sheets
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Solution Overview
Problem
Conventional rendering applications are limited in modeling three-dimensional objects with multiple materials, requiring objects to be divided into multiple sub-models, making it non-intuitive and inefficient to manage and edit regions with different materials.
Innovation Solution
A computer-implemented method that receives a 3D surface model with distinct regions and determines a set of interior sheets to combine the model into a single unified representation, allowing for automatic production of a single solid object with multiple materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a 3D model is divided into multiple sub-models to represent different materials, then the model can represent multiple materials, but the complexity of managing and editing the model increases
Solution Approach 1:
The patent applies segmentation by dividing the interior volume of the 3D model into multiple distinct interior sheets, where each sheet corresponds to a different material region. This segmentation allows the model to represent multiple materials while maintaining a single unified model structure, avoiding the need to manage multiple separate sub-models.
Solution Approach 2:
The patent merges multiple material representations into a single unified 3D model by combining the surface model with multiple interior sheets. Each interior sheet represents a different material region, and their combination creates a comprehensive multi-material model that can be managed and edited as one unified structure rather than multiple separate sub-models.
2Adaptability or versatility
If a 3D model is divided into multiple sub-models for different materials, then material regions can be distinguished, but the ease of operation for modifying the model decreases
Solution Approach 1:
The patent applies local quality by assigning different interior sheets to different material regions within the model. Each interior sheet can be independently modified while maintaining its association with the corresponding surface region, allowing localized edits without affecting other material regions. This enables intuitive modification of specific material areas while preserving the unified model structure.
3Device complexity
If conventional rendering applications are used, then the application structure remains simple, but the productivity for creating multi-material models decreases
Solution Approach 1:
The patent applies preliminary action by automatically generating multiple interior sheets based on the surface model and material region definitions. This preliminary automated generation of interior sheets eliminates the manual effort required to create each material region separately, significantly improving productivity while maintaining a relatively simple application structure that builds upon conventional rendering foundations.
Data Source
AI summary
A single model engine for receiving and processing a 3D surface model representing the surface of a 3D object, the 3D surface model comprising at least two distinct surface regions associated with at least two different materials. The single model engine automatically produce a set of interior sheets inside the 3D surface model, the set of interior sheets defining interior boundaries and interior volumes of the different materials for the 3D object. The single model engine combines the 3D surface model with the set of interior sheets to produce a single unified model that represents the surface and interior volumes of the 3D object that comprise a single solid object having at least two different materials. At print time, the single model engine performs an export technique to produce an exportable form of the single unified model that can be received and printed by a 3D printer.