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The pattern-making curved ruler is made and supplied in various types, each with different characteristics. The types are defined and classified according to the basic function the curved ruler is to serve, the material it is made from, and the degree of flexibility. Below are the common categories of curved rulers used for pattern-making.
Clymer Ruler
A clymer curve is a curved ruler that combines straight and curved lines for better usage. The original design consisted of a pair of grooves for each of a set of wheels and was a conventional Clymer curve composed of two straight sides with a wavy center. However, clymer curves have been modernized and manufactured from flexible materials of plastics, wood, etc. The modernized Clymer curve allows the user to switch easily from making straight lines to curved ones without changing the ruler. Its design allows a high level of precision, mainly used in tailoring, dress designing, and drafting patterns.
Straight Cline Ruler
This mold pattern curved ruler has a long, slightly curved shape with two end lines at right angles. This is designed to create two perpendicular lines on the model to make a rectangle, square, or other geometric shapes. The straight cline curve is mainly used to create basic forms such as straight lines and arcs but has limited flexibility to infinity.
Bend Ruler
The bend ruler is a flexible narrow strip that can be easily bent to fit any cylindrical shape. This is mostly used for uneven surfaces and shapes to get the exact paper pattern. It is an essential tool when making a pattern for curved seams, collars, and cuffs.
Hip Curve Ruler
The hip curve mold curved ruler is a device that helps to create smooth and accurate hip shapes on paper patterns. Due to its special design, it is very convenient to use when drawing lines for the waist, hips, and any diagonal seam. This curved end mold is primarily used to transfer correct body measurements to the pattern for skirts, pants, and dresses.
Tailor Sleeve Ruler
A tailor sleeve mold curved ruler is fitting for sleeves and other parts of garments. The symbol remains constant and represents smooth, accurate curves from the draft to the pattern. Transitioning from one line to another is effortless for such rulers, eliminating the need for correction when drafting curved lines asymmetrically.
The pattern will be greatly influenced by the curve rulers, which are shown in various designs. These rulers are aimed at drafting precise sewing patterns, as each curve has been carefully designed to address particular elements of garment construction. Certain factors will be considered when designing a curved pattern-making ruler.
Curved Edges
The curved end of the pattern curve ruler is the main feature that helps users draw perfect arcs and curves. These curves are designed to give smooth transitions on the patterns to ensure that the final product has good finishing. There are specific designers who make curved edges for collars, bust darts, hip lines, and curved seams. More pronounced curves help create deeper recesses, while shallower curves are used for subtle shifts.
Non-Slip Grip
The non-slip grip is another design element in the pattern-making curved ruler. It is made so that the ruler does not move from the place where it is placed when one is drawing the pattern. This is essential when making a pattern since even the smallest change can affect the eventual outcome. Non-slip grips are made of soft but durable, quick-fix, easy-clean, and easy-to-use materials that offer a solid grip without interfering with comfort.
Multiple Curve Combinations
Some advanced pattern-making curved rulers come with multiple curve combinations. Such rulers are quite handy and helpful to the designers as they combine different curves into one ruler. This eliminates the need to switch between different rulers, making the design process faster and helping marginally increase precision.
Material Transparency
The material from which a pattern-making curve ruler is formed, constitutes its strength. Design professionals generally go for plastic or acrylic rulers because they are light and difficult to break. Other wood, metal, and other material rulers provide comfort but do not have the endurance and accuracy of plastic and acrylic rulers.
The pattern-making curved rulers are relevant in various situations concerning garment creating and designing. Due to their peculiar curved edges, they enable the designers to draw the curves and arcs needed for the paper patterns to give the desired shapes. Below are some examples of situations in which a curved pattern making ruler is applicable.
Draping on Dress Forms
As the garment is draped, the designer attempts to pin or baste the fabric on the dress form. The curved rulers help transfer body curves accurately onto the fabric. This makes sure that the draped design is an exact match of proportions for the intended style. The tool also helps minimize trial errors and speed the draping process.
Creating Sloper
An important garment in pattern making is the sloper, which is an unembellished fitting block. Curved rulers are used in this phase of the process since body measurement must be accurately transferred to create a sloper that fits well. All the basic building blocks for clothes, like the straight lines and curves of the body, are drawn using a curved ruler, which makes the completed sloper a perfect foundation for future designs.
Flat Pattern Modification
Designers always work with existing patterns and make necessary adjustments to create new designs. Pattern-making curved rulers assist in this modification by ensuring that curves remain true to the original design. When lengthening or shortening seams, adding darts, or adjusting fit, maintaining accurate curves is essential for the overall integrity of the pattern.
Tailoring and Fitting Garments
In case of any fitting adjustments during tailoring, curved rulers are applied to show how much alteration has been made. Curved rulers help the tailor learn the accurate adjustments to be made on the paper patterns. So, the final garment achieves the design specifications as closely as possible. This ensures that the end product is well-fitted and devoid of wastage.
Designing Different Garments
The pattern-making curved rulers are used for a variety of clothes. The curved rulers provide the necessary amount of transition for pants, skirts, and blouses. They assist the designers in putting more creativity on paper and turning their design ideas into real-world physical garments.
For the pattern-making curved rulers to deliver the highest accuracy in drawing patterns, a particular set of specifics must be fulfilled and maintained. Apart from the obvious things like length, material, and curve type, factors like calibration and checking for wear are very important as they affect the accuracy of the results.
Key Specifications
Describing important features of a curved ruler used for pattern making involves various basic specifications. Essential features include length, width, material, and curve type. Longer rulers are ideal for larger patterns, while shorter rulers are more suited for smaller areas. Wider rulers provide a more stable base for drawing, while the variety of curves—hip, cyle, straight—caters to different patternmaking needs.
Moreover, looking into material properties is also important. Plastic and wooden rulers are differentiated by how they affect the weight and temperature of the item. Finally, clear curved rulers provide the best visibility of the pattern since they are as thin and transparent as possible.
Calibration and Accuracy
As accurate as the curved rulers for pattern making depend on the proper ruler usage. Therefore, it is important to check if there are any gaps in the ruler's curves or lines. Users should also check the mark where the measurement starts to verify that it is clear since this can affect accuracy. To avoid deformation and maintain accuracy, an acrylic clear curved ruler should be kept far from direct sunlight and extreme temperatures.
Cleaning and Care
In order to maintain the clarity and accuracy of the patterning curved rulers, regular cleaning of the rulers is a must. Dust, chalk, and other patterning materials leave smudges on the rulers; hence, after each use, it should be cleaned using a dry, non-lint cloth. In case of any tough stain that requires washing, warm soapy water should be used and then a dry cloth to wipe it off. It is not advisable to use harsh chemicals because they might damage the plastic or wood material covered on the ruler.
Storage
Storing pattern-making curved rulers in a safe, dry place extends their life and results in continuous accuracy. The curved pattern rulers should be kept in a storage box or stand out of direct sunlight. A storage system with dividers, as rulers won't be dented or scratched during storage, is therefore proposed.
In the fashion design industry, curved rulers are employed when drawing patterns to achieve better fitting and correct shaping on mannequins. They are essential tools that facilitate the transfer of body curves onto flat patterns. This results in designs that drape well and fit in accordance with the designer's intent.
The pattern-making curved rulers are made of different materials, including acrylic, wood, and metal. Because of their strength, acrylic rulers are mostly transparent, allowing accurate placement while seeing the underneath area. Wooden rulers look vintage and classic and provide sturdy, easy-to-hold surfaces. Metal curved rulers are rigid and hard-wearing, which is excellent for high-precision work.
Pattern makers prefer curved rulers due to their ability to create smooth, continuous lines essential for garment design. Unlike straight rulers, curved rulers precisely capture the body contours and design shapes, leading to more accurate and professional-looking patterns. This reduces errors and adjustments during sewing.
The choice of a curved ruler greatly depends on what one wants to do in garment designing. The more flexible the ruler, the better for draping, as it will easily fit into any design. For flat pattern drafting, a rigid ruler would be ideal since it provides accuracy when drawing patterns on paper. One should also pick a ruler that has the most commonly used curves to save time while switching between rulers.
Yes, the curved rulers greatly reduce both errors and mistakes in the sewing patterns. Their accuracy helps to ensure that the paper pattern corresponds to the design intent, eliminating misfits and adjustments as the garment is sewn. This accuracy cuts errors caused by the pattern being mistaken for draping or tailoring.
To ensure the pattern-making curved rulers last a lifetime, proper care is needed. It is advised that after each use, the ruler should be wiped clean and free of dust or chalk. The rulers should also be kept out of direct sunlight and heat so that the plastic or wood will not degrade, and it would be better if the ruler was stored in a holder so that no edge would dent or scratch the ruler.
