2D Pattern Conversion to 3D Garments with Assembly Instructions
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Solution Overview
Problem
The garment industry faces challenges in converting 2D CAD models and Tech Packs into 3D virtual garments due to manual and tedious processes, lacking machine-readable assembly instructions, and the need for extensive manual design iterations to achieve desired garment finishes.
Innovation Solution
A computer-implemented method using trained recognition algorithms and pre-defined templates to automatically generate 3D garment models, incorporating user inputs for modifications, and generating fabrication instructions, including finish pieces and assembly steps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If manual assembly of garment pieces is performed using CAD programs, then garment designers can visually inspect and adjust the design, but the process is very tedious and takes a long time
Solution Approach 1:
The patent creates a digital 3D copy (virtual garment) of the physical garment from 2D pattern pieces. This digital model can be manipulated and inspected without physical handling, maintaining design accuracy while dramatically reducing assembly time through automated algorithms that map 2D patterns to 3D garment structures.
Solution Approach 2:
The patent replaces manual mechanical manipulation of physical fabric and pieces with computer-based algorithms and virtual reality technology. The automated system performs pattern matching, piece assembly, and garment construction through software rather than human hands, eliminating tedious manual operations while preserving design fidelity.
2Shape
If 2D garment pieces are manually assembled into 3D models, then garment finishes can be visualized, but the conversion process is manual and tedious
Solution Approach 1:
The patent performs preliminary automated processing of 2D pattern pieces before 3D assembly. The system pre-processes pattern data, identifies garment pieces, and prepares digital models in advance, enabling rapid conversion to 3D representations without manual intervention during the actual assembly phase.
Solution Approach 2:
The patent transforms 2D pattern parameters into 3D garment parameters through automated algorithms. The system changes dimensional parameters, spatial coordinates, and geometric properties from flat 2D representations to three-dimensional forms, maintaining shape accuracy while accelerating the conversion process through computational methods.
3Manufacturing precision
If multiple design iterations are performed manually, then desired garment finishes can be achieved, but extensive manual work is required for each iteration
Solution Approach 1:
The patent creates digital copies of garment designs that can be iterated upon in virtual space. Each design iteration produces a new digital model that can be instantly generated, inspected, and modified without physical material consumption or time-consuming manual reconstruction, maintaining finish quality through precise digital modeling.
Solution Approach 2:
The patent enables dynamic modification of garment designs through interactive 3D modeling. Designers can adjust parameters, reshape pieces, and modify finishes in real-time within the virtual environment, allowing rapid iteration where changes are immediately visualized and can be reversed or adjusted without committing to physical production.
4Measurement precision
If Tech Packs are converted to 3D models manually, then accurate garment representation is achieved, but the process lacks machine-readable assembly instructions
Solution Approach 1:
The patent replaces manual conversion processes with automated computer vision and pattern recognition algorithms. The system reads Tech Pack data, identifies garment pieces and their relationships, and automatically constructs 3D models with machine-readable assembly instructions embedded in the digital model data structure, achieving both accuracy and automation.
Solution Approach 2:
The patent introduces a digital intermediate representation layer between the 2D Tech Pack and the 3D garment model. This intermediate data structure contains machine-readable information about piece relationships, assembly sequences, and garment geometry, enabling automated processing while maintaining accurate representation of the final garment.
Data Source
AI summary
An improved method for fabricating a user-generated garment. In one embodiment, garment data related to a predefined or default garment is received, shape and finish pieces of the garment are separated, a template for each shape piece is selected that comprises information about a position and orientation relative to a human body, the shape pieces are assembled in 3D, a finish macro for each finish piece is selected that comprises assembling instructions for assembling the finish piece to the assembled shape pieces, a preliminary 3D garment is visualized on an avatar in a graphical user interface, a garment adjustment process is performed using the graphical user interface to generate a user-generated garment, and fabrication instructions for fabricating the user-generated garment are generated.