How Patterns Work: The Fundamental Principles of Pattern Making and Sewing in Fashion Design by Assembil Books

Author:Assembil Books [Books, Assembil]
Language: eng
Format: epub, azw3, pdf
Publisher: Assembil Books
Published: 2013-11-23T14:00:00+00:00

Seam Allowance in Alterations

The main purpose of this explanation of seamless blocks and patterns with seam allowance is to point out that you really need to understand how to make pattern changes regardless of whether a pattern has seam allowance on it or not. There are some situations where it is easiest to remove all the seam allowance, but there are also many changes that are much quicker to make without removing and adding the seam allowance every single time.

For this reason, we are going to use some examples in this book that are based on patterns that have seam allowance on them, as this will help you to be more comfortable with the processes involved.

The key to avoiding any errors in working with patterns that have seam allowance is to always know where your body guidelines and stitching lines are and to always double-check your measurements to avoid any inaccuracy. Just because you are using a pattern with seam allowance it does not mean that you should stop marking in the stitching lines and other body guidelines. In fact, in any pattern change you should check the stitching line for accuracy first, before making adjustments to the seam allowance.

In order to transfer the position of the stitching line and design details from an existing pattern onto a fresh sheet of paper or cardboard, pattern makers use a tool called a tracing wheel.

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