Enlarging a sewing pattern is a useful skill, especially if you need to adapt a pattern to fit your specific measurements or preferences. Here are over 25 ways to enlarge a sewing pattern:
Using a Photocopier or Scanner:
- Photocopy Enlargement: Simply photocopy the pattern at a larger percentage, like 110% or 120%, until it's the desired size.
- Scanner and Printer: Scan the pattern into your computer and print it out at an enlarged size.
- Print Shop: Take the pattern to a local print shop and ask them to enlarge it to the desired size.
Manually Enlarging Patterns:
- Grid Method: Draw a grid on the pattern and a larger grid on the fabric. Transfer the design square by square.
- Freehand Enlargement: Carefully redraw the pattern on a larger piece of paper using a ruler and measuring tape.
- Tracing Paper: Place the pattern on a light table or window, then trace it onto a larger piece of paper.
- Graph Paper: Use graph paper to manually enlarge the pattern by recreating it square by square.
- Scaling Factor: Measure the pattern pieces and calculate the scale factor needed to enlarge them.
- Drafting Techniques: Draft the pattern in a larger scale using the same principles as the original pattern.
Using Technology:
- Computer Software: Use graphic design software like Adobe Illustrator or CorelDRAW to manually enlarge the pattern.
- Pattern-Making Software: Utilize pattern-making software like PatternMaster or PatternMaker for automatic resizing.
Professional Services:
- Pattern Enlargement Services: Some businesses specialize in pattern resizing. You can send them your pattern to be enlarged.
Overlay Techniques:
- Overlapping Sheets: Print multiple copies of the pattern and overlap them to create a larger pattern.
- Tape Pieces Together: Print pattern pieces that are divided into smaller sections and tape them together.
Measuring and Marking Techniques:
- Measurement-Based Enlargement: Take measurements, such as bust, waist, and hips, and then redraw the pattern based on these measurements.
- Mark and Extend: Mark key points and lines on the pattern and use a ruler to extend them to the desired size.
Square Grid Techniques:
- Enlarging by Percent: Calculate the percentage by which you want to enlarge the pattern, then measure and mark on the paper accordingly.
- Square Grid Pattern: Create a square grid on your pattern and fabric, then replicate the pattern square by square.
- Pattern Grading: Understand grading principles and apply them to make your pattern larger.
Pattern Pieces Manipulation:
- Slash and Spread: Cut the pattern pieces, add space in between the sections, and tape or trace to enlarge.
- Pivot Method: Cut the pattern at certain points and pivot the pieces outward, then trace to enlarge.
Alteration Techniques:
- Add Seam Allowance: Enlarge the pattern by adding seam allowances to each piece.
- Mirror Image: Create a mirror image of the pattern piece to double the size.
- Lengthen Pattern Pieces: Lengthen the pattern pieces to make them larger.
- Additional Panels: Add extra panels or sections to make the pattern larger while maintaining the original proportions.
Remember to make a muslin or test garment when working with an enlarged pattern to ensure it fits as expected before using your final fabric. Each method has its own pros and cons, so choose the one that suits your needs and skills the best.



