Polygonal Quilting Ruler System for In-The-Hoop Fabric Marking
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Solution Overview
Problem
Home embroidery machine users face challenges in systematically extending quilting designs across large fabrics, particularly when using the 'quilting-in-the-hoop' method, due to the need for precise measurements and alignment of varying block sizes and patterns, which can be difficult without a longarm quilting machine.
Innovation Solution
A quilting ruler system comprising polygonal members with central and perimeter apertures, allowing users to mark and quilt in sections using variously sized rulers, enabling easy extension of custom designs across fabrics without a longarm machine.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If quilting-in-the-hoop method is used with home embroidery machines, then accessibility and cost are improved, but measurement precision and alignment difficulty worsen
Solution Approach 1:
A transparent quilting ruler with grid markings and alignment features is introduced as an intermediary tool between the fabric and the user. The ruler provides pre-marked measurement lines, block size guides, and alignment references that enable precise measurements and alignment without requiring the user to manually measure and calculate, thus resolving the contradiction between ease of operation and measurement precision
Solution Approach 2:
The quilting ruler comes with pre-marked measurements, grid lines, and alignment features already prepared on its surface. Users can directly place the ruler on the fabric and follow the pre-established guides for marking and alignment, eliminating the need for complex manual measurement and calculation steps before quilting, thereby improving ease of operation while maintaining precision
2Adaptability or versatility
If varying block sizes and patterns are used, then design versatility is improved, but tracking and matching complexity worsens
Solution Approach 1:
The quilting ruler is designed with multiple functions integrated into a single tool: it provides grid lines for various block sizes, measurement markings for different dimensions, alignment guides for multiple orientations, and pattern references. This universal ruler can accommodate varying block sizes and patterns without requiring multiple specialized tools or complex tracking systems, thus resolving the contradiction between design versatility and tracking complexity
3Adaptability or versatility
If incremental quilting extension is performed, then project scalability is improved, but time consumption and difficulty worsen
Solution Approach 1:
The quilting ruler provides pre-marked measurement lines, alignment guides, and block size references that are prepared in advance. When extending quilting incrementally, users can simply place the ruler on the fabric and follow the pre-established guides for marking and alignment, eliminating the need for complex manual measurement and calculation steps at each extension stage, thereby reducing time consumption while maintaining scalability
Data Source
AI summary
Embodiments of the present invention include a quilting ruler to facilitate home embroidery machine user's “quilting-in-the hoop” capabilities. This includes a thin, generally polygonal ruler with apertures for center marking, cross-hair marking, and size marking, as well as perimeters for edge markings to delineate fabric areas for quilting-in-the-hoop. The invention also includes a quilting ruler system with a plurality of such rulers of various dimensions and classes. Finally the invention includes a method of using the quilting rulers to map and extend quilting designs across a fabric area by selecting a quilting ruler, placing it on a fabric at a first fabric location, marking the fabric at the first fabric location through apertures, marking the fabric around the perimeter of the ruler, marking the dimension of the perimeter on the fabric, quilting at the first fabric location, and repeating these steps.