Professional > Concept, design, and engineering

Box Pouch Construction Issues.

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jaYson:
Jayson here and I am having issues when sewing pouches.  I am really frustrated as I know this is not rocket science, but my pieces never fit together.  After having minimal success over the year, this weekend I decided I was going to figure this skill out.  I took apart an old MOLLE pouch and studied how it was assembled.  I watched some videos on how to sew corners and was confident I knew what I was doing.  So I attempted to put together a Kifaru Skinny Mini type pouch.  Skinny Minis are 11"x 3"x 2.5".  They have six rows of MOLLE on the back and the inside is lined with pack cloth so they are pretty straight forward.  I made my patterns and gave myself a seem allowance of a 1/2" (12" x 4" x 3.5").  I put together the MOLLE fine and even lapped the zipper - something I have never done and was extremely please with how it looked.  I then sewed the zipper piece with the bottom piece to make the "ring". This is where it all fell apart.  When I went to clamp the sides to the ring, I had huge puckering.  For this project I used the strategy of snipping the middle of the ring and marking the sides to help everything line up.  Still, puckering.  So I cut a 1/2"off the side and while it did fit better, it did not fit in place properly.  Can anyone suggest what am I doing wrong?  Any advice or suggestions is greatly appreciated.  Thanks.

jaYson

mogensbeck:
Do you have some pictures?

essal:
You are probably measuring it wrong. Measure along the line of where the seam is to be sewn, not the edge of the fabric with seam allowance- to get the proper circumference.
If your front piece is 5x5 + .5" SA, then the circumference is 20 (5x4), not 24 (6x4). For your desired 11x3 footprint, it's 28" circumference, and not 32" as I assume you have used.

jaYson:

--- Quote ---Measure along the line of where the seam is to be sewn, not the edge of the fabric with seam allowance- to get the proper circumference.
--- End quote ---

Jayson here and are you saying that I only make my "ring" the size of the actual pouch size and not the size with the added SA?



--- Quote ---If your front piece is 5x5 + .5" SA, then the circumference is 20 (5x4), not 24 (6x4). For your desired 11x3 footprint, it's 28" circumference, and not 32" as I assume you have used.
--- End quote ---

I am uncertain with your math.  If I want the pouch to be 5x5, I would add 1/2" SA to each side so I would cut out a 6x6 square.  I do not understand how your circumference is 20 and not 24.  For my Skinny Mini, the pouch was to be 11x3x2.5.  So I cut out two side piece that were 12x4 - which included 1/2" SA.  Are you saying that when I put the zipper ring together, it needs to have a perimeter of 28?  Please respond.

jaYson

TuffPossumGear:

--- Quote from: jaYson on April 15, 2019, 07:28:17 PM ---
--- Quote ---Measure along the line of where the seam is to be sewn, not the edge of the fabric with seam allowance- to get the proper circumference.
--- End quote ---

Jayson here and are you saying that I only make my "ring" the size of the actual pouch size and not the size with the added SA?



--- Quote ---If your front piece is 5x5 + .5" SA, then the circumference is 20 (5x4), not 24 (6x4). For your desired 11x3 footprint, it's 28" circumference, and not 32" as I assume you have used.
--- End quote ---

I am uncertain with your math.  If I want the pouch to be 5x5, I would add 1/2" SA to each side so I would cut out a 6x6 square.  I do not understand how your circumference is 20 and not 24.  For my Skinny Mini, the pouch was to be 11x3x2.5.  So I cut out two side piece that were 12x4 - which included 1/2" SA.  Are you saying that when I put the zipper ring together, it needs to have a perimeter of 28?  Please respond.

jaYson

--- End quote ---
If I understand @essal correctly then:

Correct on the first question. For a pouch that is 5"x5" with 1/2" seam allowance, you would cut the front panel 6"x6" but your "ring" would only be the
(the finish height x 2) + (the finish width x 2) or in this case 20"


Believe me, I quickly learned this the hard way

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