# How do you scale a sewing pattern?

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Take your ruler and cut your pattern horizontally and vertically. Use the lines as a guide. For example, if you need to scale the pattern up one inch, you would cut the pattern and spread the pieces 1/2″ on each side. If you need to scale it down, you would overlap the pieces instead.

## How do you grade a pattern to a bigger size?

1. Step 1: Determine how many sizes you need to go up or down.
2. Step 2: On the pattern, draw a straight, guiding line to connect the “corner points”.
3. Step 3: Measure the amount between sizes along each line. …
4. Step 4: Plot the next size (or next two sizes) using the measurements.

## How do I reduce the size of a pattern?

The slash and spread method is the easiest method for resizing a pattern, and will be your go-to in this situation. Make horizontal and vertical lines on your pattern piece, placed where you want the pattern to increase or decrease. Cut along those lines and spread to create the new pattern piece.

## How do you scale a sewing pattern from a book?

Measure the pattern (in the book or reduced on paper) and multiply that measurement by as much as needed. For example, if the pattern says ‘enlarge by 200%’, then multiply the starting size by 2. If the pattern says ‘enlarge by 150%’, then multiply the starting size by 1.5.

## How is pattern grading done?

Pattern grading is the process of turning base size or sample size patterns into additional sizes using a size specification sheet or grading increments. This can be done manually or digitally using computerized pattern drafting software.

## How do you grade a vintage sewing pattern?

Take your measurements and compare them to the measurements on the pattern envelope. Then subtract your measurements for each area (B-W-H) and record the difference (example: 48-36=12) and you have the difference in inches between you and the size of your pattern.

## How do you modify a pattern?

A pattern can be altered and adjusted three ways:

1. By folding out excess fullness to make an area smaller.
2. By slashing and spreading or overlapping along pattern lines to increase or decrease dimensions.
3. By redrawing darts or seamlines.

## How do I print a scale pattern?

How do I print my pattern to ensure correct size?

1. Measure the printed test square with your ruler. If it’s too big or too small, then adjust your printer settings by adjusting the scale section, then print and measure again. Repeat this process until it measures correctly.
2. You are now ready to print the entire pattern!