3D Dot-Grid System for Direct CAD Drawing
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Solution Overview
Problem
Current computer-aided design software primarily relies on creating two-dimensional projections, which limits the ability to directly create and analyze three-dimensional designs on a computer monitor, requiring intermediate steps that are inefficient and less intuitive for representing complex industrial designs.
Innovation Solution
A method and system that generates a three-dimensional dot-grid on a computer monitor, allowing users to directly create and manipulate three-dimensional drawings by selecting and connecting key bounding dots in a coordinate system, enabling precise representation and analysis of topographical features and geometric dimensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If two-dimensional projection views are used to represent three-dimensional designs, then the drawings can be created using traditional software methods, but the ability to directly create and analyze three-dimensional designs on a computer monitor is limited
Solution Approach 1:
The patent transitions from traditional two-dimensional drawing planes to a three-dimensional dot-grid system that displays directly on the computer monitor. Users work in 3D space by selecting and connecting dots that represent key boundary locations, eliminating the need to create 2D projections and mentally visualize 3D forms. This dimensional change enables direct 3D drawing creation and analysis on the display device.
2Productivity
If traditional two-dimensional drawing methods are used, then software compatibility with existing systems is maintained, but intermediate steps are required that reduce productivity
Solution Approach 1:
The patent extracts and eliminates the intermediate step of creating two-dimensional projections from the design process. By implementing a native three-dimensional dot-grid system, the method removes the unnecessary conversion step between 2D and 3D representations, allowing users to directly create, modify, and analyze 3D designs without time-consuming intermediate projections.
3Adaptability or versatility
If three-dimensional dot-grid system is implemented, then direct three-dimensional drawing and analysis is enabled, but new software system requirements are introduced
Solution Approach 1:
The patent creates a universal three-dimensional dot-grid system that can represent various types of designs and objects within a single unified framework. The system provides multi-functionality by enabling users to perform multiple operations—drawing, analyzing, measuring, and modifying 3D designs—within the same environment, eliminating the need for separate specialized tools for different design tasks.
Data Source
AI summary
A method and system for making computer-aided drawings of an object directly in 3D. The object or its parts are bounded by m-dimensional enclosing subspaces whose boundaries are shrunk to intersect the topographical features of the enclosed object or its parts. The resulting boundary-boundary intersections define a set of key bounding dots which can be connected with mathematical entities such as lines, surfaces or solids to complete the drawing of the object or its parts. The entire drawing process is conducted directly in 3D on the display device with the user in control to view, freely rotate, move, pan, zoom, create, change or review the object anytime, akin to holding the object in hands in front, and looking over it while creating it. Drawings created by the invention can be grouped to represent assembled components, sub-assemblies, or entire systems. All or part of a drawing, if applicable, can also be grouped for structural modeling and analysis.