Interactive Projection for 3D Fabrication Progress
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Solution Overview
Problem
Current object design and fabrication systems lack the ability to effectively visualize fabrication progress and allow for interactive adjustments, leading to insufficient information on how design changes impact the final object and its appearance.
Innovation Solution
A control system that receives model data for a 3D object shape, directs a projection system to emit a projection of the object shape onto a substrate, and updates the projection based on fabrication progress, allowing for real-time visualization of the remaining object shape and enabling interactive adjustments through sensor data and user input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the projection is updated frequently to reflect fabrication progress, then the user can see real-time progress, but the system complexity increases due to continuous coordination between projection updates and fabrication status
Solution Approach 1:
The control system receives fabrication progress data from the robotic system and uses this feedback to dynamically update the projection display. This closed-loop feedback mechanism enables real-time visualization of fabrication progress while maintaining systematic coordination between the robotic fabrication process and the visual projection updates.
Solution Approach 2:
The control system merges the projection system and robotic fabrication system into a coordinated unified system. By integrating the control of both systems, the patent achieves real-time synchronization where projection updates automatically reflect fabrication progress without requiring separate manual coordination.
2Device complexity
If the projection system and robotic system are operated independently, then each system can function with simpler control, but the projection cannot accurately reflect real-time fabrication progress
Solution Approach 1:
The control system receives fabrication progress data from the robotic system and uses this feedback to dynamically update the projection display. This closed-loop feedback mechanism ensures the projection accurately reflects real-time fabrication progress while maintaining coordinated control between systems.
Solution Approach 2:
The control system serves multiple functions: it controls the robotic fabrication system, manages the projection system, receives fabrication progress data, and dynamically updates the projection display. This multi-functional control system coordinates both subsystems while maintaining relatively simple overall architecture.
Data Source
AI summary
Example implementations may relate to interactive object fabrication. In particular, a control system may receive model data defining a 3D shape of a physical object that is fabricable out of a substrate at a work site. The system may then direct a projection system to emit onto the substrate a projection illustrative of the 3D shape defined by the model data. Also, the system may transmit, to a robotic system, fabrication instructions that direct the robotic system to fabricate the physical object in accordance with the model data. subsequently, during fabrication of the physical object, the system may (i) receive progress data indicative of a portion of the physical object that has been fabricated from the substrate, and (ii) direct the projection system to update the projection of the 3D shape to remove a portion of the projection corresponding to the portion of the physical object that has been fabricated.