Jean-ius Reverse Engineered Jeans

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Created in this Craftsy Course

Jean-ius: Reverse Engineer Your Favorite Fit taught by Kenneth D. King

Recreate your favorite jeans without taking them apart. Couturier Kenneth D. King teaches this amazing class, full of couture sewing techniques.

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Here are some details about my project:
Category Sewing
Type Clothing
Sizing Women
Style Classic, Casual on

What materials did you use? Black stretch denim with gold and grey topstitching thread to accent; jeans button and jeans zipper; navy blue serger thread for seam finishing on

What are you most proud of? I love that these jeans are made just for one person, and that the fit was adjusted specifically for her. Also I'm pretty happy with the topstitching! on

What advice would you give someone starting this project? Do it!!!! Making jeans is one of the most satisfying projects once you get the hang of it--and reverse engineering from a pair that already fits well takes a lot of the fiddly work out of constructing and fitting from a commercial pattern. Kenneth D. King knows his stuff and is generous with tips to make sewing in general better and, in many cases, easier. Also--if you're a perfectionist, don't worry about getting bogged down in the details when transferring the initial tracing to the first paper draft. The muslin is there to help find out what doesn't work. It doesn't have to be perfect with the first shot, or even the second. Even if you're not happy with your first attempt, you can always make a second muslin or even a third. But chances are very good that you won't have to do more than one if you pay careful attention to the grain lines. Realizing that it didn't have to be perfect really helped me get past my hesitations and reservations (and procrastination). Also: especially if this is your first attempt at making jeans based on an original pair, make sure you choose your fabric with the original fabric's characteristics in mind. It would be awfully difficult to copy a pair of jeans made with heavy, stiff denim and produce satisfying results if you sew using lighter weight, stretch denim. Incidentally, I think it's easier to use fabric with a little stretch in it--the flexibility reduces the need to be quite as precise with the fitting process, and frees the wearer to move with fewer restrictions: plus, the fabric usually recovers beautifully after washing. If you've never sewn using stretch fabric but your favorite pair of jeans have some stretch to them, don't let inexperience stop you from giving stretch fabrics a try! Gotta learn some time and some how. Take the original pair with you when fabric shopping to select denim with a similar degree of stretch and you should be good to go! Can't wait to see more photos of everyone's Jean-ius-es! :-) on

The copy is better than the original ! Very good indeed!

07/02/2012 Flag

Wow, that's high praise! Thank you indeed!

07/02/2012 Flag

You did an awesome job they look great!

10/10/2012 Flag


10/10/2012 Flag

I respect and appreciate the fact that you jumped into "designer land" by creating such unique back belt loops! I think you also got quite brave and frisky with the multi-colored topstitching! Bravo.

11/30/2012 Flag

The person I made this for liked the back belt loops too. Thanks for the praise!

11/30/2012 Flag

wow! these are great! i just enrolled and am looking forward to learning how to make my own jeans, and like you, i think it will help building skills to alter/mend existing clothes.

02/16/2013 Flag

Looks great! Awesome fit! Hope mine will be half as good.

02/02/2015 Flag