3D Printing Pose Detection for Composed Object Alignment
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Solution Overview
Problem
Existing 3D printing technologies lack the capability to accurately print additional objects onto specific surface areas of existing objects while maintaining pre-determined alignments, which is essential for building composed objects.
Innovation Solution
A method and system that utilize a 3D printing system with a printing coordinate system, image processing, and camera technology to determine the pose and alignment of the existing object relative to the printing coordinate system, allowing the 3D printer to print additional objects onto the existing object with precise alignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a 3D printer is used to print additional objects onto an existing object, then the capability to create composed objects is improved, but the ability to achieve precise alignment between the additional objects and the existing object deteriorates
Solution Approach 1:
The system performs preliminary actions by capturing images of the existing object, determining its pose and alignment relative to the printing coordinate system before the actual printing process. This pre-determination of spatial relationships enables precise alignment to be achieved when printing additional objects onto the existing object.
Solution Approach 2:
The system uses image capture and processing to obtain feedback about the existing object's position and orientation. This feedback information is used to determine the pose and alignment, which then guides the 3D printer to accurately place additional objects on the existing object, resolving the alignment precision issue.
2Manufacturing precision
If image processing and pose determination methods are implemented, then the alignment precision is improved, but the device complexity deteriorates
Solution Approach 1:
The 3D printing system is enhanced with multi-functionality by integrating image capture capability and image processing capability into the existing 3D printer. This allows the system to perform both traditional 3D printing and the new function of determining pose and alignment through image processing, reducing the need for separate dedicated devices.
Solution Approach 2:
The system introduces an intermediary processing step that captures images of the existing object and processes these images to determine pose and alignment. This intermediary approach provides a practical bridge between the physical existing object and the digital printing coordinate system, enabling precise alignment without requiring direct complex mechanical interfaces.
Data Source
AI summary
A method for instructing a 3D printing system that includes a 3D printer provided with a printing coordinate system to print at least one first object onto an existing second object comprises providing or receiving at least one image representing at least a part of the existing second object, determining or receiving an alignment between at least part of the at least one first object and at least part of the existing second object, determining a pose of the existing second object relative to the printing coordinate system according to the at least one image, and providing the 3D printing system with the pose and the alignment for the 3D printer to print at least part of the at least one first object onto the existing second object according to the pose and the alignment.