3D Print Head Selection for Overlapping Shell Property Mapping
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Solution Overview
Problem
State-of-the-art 3D printing systems require manual, labor-intensive, and inaccurate configuration to determine spatial relations between different shells of a 3D model and attribute specific properties to volumetric overlapping regions, which is time-consuming and inefficient.
Innovation Solution
A method and system for automatically identifying relations between shells, attributing properties to volumetric regions, and selecting a 3D print head by determining overlapping regions and applying overlap rules to slice points, using a property vector value to select the appropriate print head.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual configuration is used to determine spatial relations between shells and attribute properties to volumetric regions, then the system can handle complex 3D models, but the process becomes time-consuming and labor-intensive
Solution Approach 1:
The system automatically determines spatial relations between shells and attributes properties to volumetric regions without requiring manual user configuration. The automated algorithm processes the 3D model data, identifies overlapping regions, and applies overlap rules to assign properties, thereby eliminating time-consuming manual intervention while maintaining the ability to handle complex models.
Solution Approach 2:
The patent replaces manual mechanical configuration processes with an automated computational system. Instead of manually determining spatial relations and attribute properties, the system uses algorithmic processing to automatically analyze shell relationships, identify volumetric overlaps, and assign properties based on predefined overlap rules.
2Adaptability or versatility
If manual configuration is used to determine spatial relations between shells, then the system can process 3D models, but the process becomes labor-intensive and inaccurate
Solution Approach 1:
The system performs self-service processing by automatically determining spatial relations between shells and identifying overlapping regions without human intervention. The automated algorithm consistently applies geometric analysis and overlap rules to ensure precise and reproducible results, eliminating the variability and inaccuracies inherent in manual configuration.
Solution Approach 2:
The patent substitutes manual measurement and configuration with automated computational algorithms that precisely calculate spatial relations and identify overlapping volumetric regions. This mechanical-to-computational transition ensures consistent accuracy in processing 3D models with multiple shells.
3Productivity
If automated selection of print heads is implemented, then efficiency and accuracy improve, but the system complexity increases
Solution Approach 1:
The system performs preliminary actions by pre-defining overlap rules and property attribute frameworks before processing the 3D model. These pre-established guidelines simplify the automated decision-making process, allowing the system to efficiently determine property attributions and select print heads without requiring complex real-time computation or decision logic.
Solution Approach 2:
The patent manages system complexity by changing parameters in a controlled manner - using predefined overlap rules and property vectors that transform complex spatial relationship problems into simpler attribute assignment tasks. This parameterization approach maintains high productivity while keeping the automated system's complexity manageable through structured data representations.
Data Source
AI summary
A method for selection of a print head of a three-dimensional (3D) printer includes receiving a model data element having first and second 3D shells, producing an ordered set of slice data elements corresponding to a planar slice of the 3D model, determining an overlapping region of the first and second 3D shells, attributing a property vector value (such as a colorization vector value or a printing material vector value) based on an overlap rule, and selecting a printing head based on the property vector value. A 3D printing system comprises printing heads that can be selected according to the method.