Sewing Concave and Convex Seams

The Science of Fashion Sewing!

Hello fashion sewers and welcome to our Fashion Sewing Blog.

In today’s post, I’d like us to look at and practice a fashion sewing technique of sewing concave seams to convex seams.

Naturally, when we complete our sewing projects, we become accustom to attaching seams together to create a complete garment.

But, what happens when the concave seam (inward curve) needs to be attached to the convex seam (outward curve)?

In essence, the fashion sewing technique I’m about to demonstrate is not a difficult one.

‘Success is determined by preparation’.

If we can prepare each seam correctly, than the rest, as they say, is a piece of cake!

Let me show you -

Sewing Concave and Convex Seams

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I do hope that you find my online fashion sewing tutorials of benefit when it comes to your learning.

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Preparing for Fashion Sewing Success

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1 – Remember to stay stitch both the convex and concave seams.

2 – Snip into the concave seam every 1.5cm (5/8inch). This allows for the seam to be manipulated.

3 – Place the concave seam onto the convex seam, matching up any pattern markings. Pin into position.

4 – Sew a 1.5cm (5/8inch) seam allowance, shaping the concave seam around the convex seam.

5 – Clip out triangular shapes within the seam allowance every 1.5cm (5/8inch). This allows the seam to lay flat. All that is left to do is press the seam open with the tip of your steam iron.

And before you know it – you’ve just sewn a concave and convex seam together!

Have you found this fashion tutorial of use?

Don’t forget to subscribe to my FashionSewingBlogTV today!

If you have any questions regarding this specific technique, or any others, please do get in touch.

I look forward to hearing from you soon.

Happy fashion sewing

About the Author: Colleen G Lea is the founder of Fashion Sewing Blog and co-owner of DC Media Productions. Get more from Colleen at YouTube and Google+.

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