How to Sew a DIY Backpack Purse

How to Sew a DIY Backpack Purse

Back-Pack-Short How to Sew a DIY Backpack Purse

How to sew a DIY backpack purse. I love backpack purses.  DIY Backpack purses are so convenient and easy to carry especially on a day out.  This diy backpack purse is simple to sew if you have the basic swing skills set out in my previous lessons on how to sew a straight line and how to sew curves and corners.  Just follow the step-by-step instructions and you will have your own DIY backpack purse. This idea was modified from simply sewing magazine’s “The City Backpack” pattern

I used a beautiful leaf motif canvas fabric for my exterior fabric that I obtained from Fabric.com and a faux leather remnant that I had in my stash that you can also get at Fabric.com for this project.  If you use a lighter weight fabric you will need to interface it with an interfacing like Pellon 808 to add that additional weight to your fabric but I highly recommend a heavier weight fabric for your exterior fabric like canvas for this project.  I used a quilting weight cotton for the lining from my stash but you can get yours from Fabric.com or Hobby Lobby to match your project.  This post contains affiliate links that if you click on them and make a purchase I may receive a small commission at no extra cost to you.

What you will Need:

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What you will Need Backpack

Step 1: How to Sew a DIY Backpack Purse

Cut the Fabrics as follows:  All measurements are vertically x horizontally

  • Outer Canvas Fabric
    • one Flap
    • Front and Back 2 – 8 3/4″ x 16 1/8″
  • Base Faux Leather
    • Base 2 – 7 1/8″ x 16 1/8″
    • Cross Strips 2 – 1″ x 16 1/8″
    • Front Tab 1″ x 4 3/4″
  • Lining
    • One 7 1/2″ x 11″
    • Front and Back 2 – 15 x 16 1/8″
    • Pocket 9″ x 13 3/4″
  • Fusible Fleece
    • One flap
    • One 7 1/2″ x 11″
    • Front and Back 2 – 15 1/2″ x 16 1/4″
  • Interfacing
    • One Flap
  • Webbing
    • Handle 8″
    • Adjustable Strips 2 – 28″
    • Ring Tabs 2 – 2 1/2″
    • Front Strap 14″

Step 2: How to Sew a DIY Backpack Purse

Fold one of the ring tab webbing pieces around one of the rectangle rings and stitch the raw ends together. Repeat with the second ring tab piece and rectangle ring.   All seam allowances are 1/4″ unless otherwise stated.

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Create the back rectangle tabs

Step 3: How to Sew a DIY Backpack Purse

Fold the Faux leather front tab strip around the 2 D-Rings and stitch the short ends together to hold.

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Create the front Tab

Step 4: How to Sew a DIY Backpack Purse

Make the adjustable straps.  First treat all of the raw edges of the cotton webbing using fray check.  Let dry.  Fold one end of the adjustable strap around the middle bar of the triglide and stitch in place and repeat with the other strap.

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Create the Adjustable straps

Step 5: How to Sew a DIY Backpack Purse

Make the Flap.  Press the fusible fleece to the outer fabric on the wrong side.  If you are unfamiliar with fusible fleece or fusible interfacing generally the instructions come with it when you purchase it but it is quite easy to use.   The interfacing or fleece has a glue side and a non glue side.  Place the glue side on the wrong side of the fabric and press with a hot iron so that the glue fuses with the fabric and the two pieces can now be treated as one.

First press the flap fleece to the flap outer and then fuse the flap interfacing to the flap fleece.  You will now have three layers of the flap.

Step 6: How to Sew a DIY Backpack Purse

Take the flap lining piece and fuse the 7 1/2″ x 11″ fleece and interfacing to it in the same way that you did the previous flap piece.  Do not trim the interfacing yet.

Step 7: How to Sew a DIY Backpack Purse

Take the front tab piece from step 3 and place it right sides together with the flap outer piece  and center it on the curved edge with the raw edge extending slightly beyond the flap.  Stitch in place close to the edge.

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Add front tab to flap

Step 8: How to Sew a DIY Backpack Purse

Place the flap outer right sides together with the flap lining tucking the D-rings inside.  Sew around the sides and curved edge using a 1/4″ seam allowance leaving the back open.  Trim off the interfacing and notch the curves so that the flap lays flat.  Do not trim the tab ends.  Turn the flap right side out and press so that the seam lies right on the edge.  Top stitch around the sides and curve.

 

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Place the lining flap right sides together with the outer flap piece

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Trim the interfacing and clip the curves

Step 9: How to Sew a DIY Backpack Purse

Make the Front.  Take the front outer piece and lay it right sides together with the faux leather piece lining up the lower long edge of the front with the upper long edge of the base leather piece.  Fuse the front fleece to the joined pieces.  Trim the fleece if necessary.  Press using a press cloth.  If you do not use a press cloth the faux leather will melt and ruin your iron and the faux leather.  Topstitch on the right side 1/4″ above the seam.

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Sew faux leather bottom to canvas top

Step 10: How to Sew a DIY Backpack Purse

Place the front webbing strap in the center of the front base piece matching the raw edges.  Topstitch on both sides until you have reached 1/4″ into the canvas fabric.  The rest of the strap should remain loose.  This strap will be used to secure the flap through the D-Rings on the front of the bag.

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Add the front strap

Step 11: How to Sew a DIY Backpack Purse

Make the Back by joining the back fabric to the faux leather in the same way that you did the front.

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Create the back

Step 12: How to Sew a DIY Backpack Purse

Lay one of the cross strips that you previously made and lay it across the back base 5″ up from the bottom.  Place the raw ends of the webbing of the back rectangle ring tabs under the cross strip 5 1/4″ from each edge..  Topstitch along both long edges of the cross strip to secure the tabs.

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Finished rectangle tags

Step 13: How to Sew a DIY Backpack Purse

Thread the free ends of the adjustable straps through the bottom rectangle rings and back through the triglides then tack the free ends to the bag 5 1/4″ from the sides and 1 5/8″ from the top of  the bag. Remember to keep the triglide on the outside of the adjustable strap so that you will be able to adjust the straps.

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Thread the adjustable tabs through the rectangle tabs and tack the raw edges

Step 14: How to Sew a DIY Backpack Purse

Tack the handle in between the adjustable strap ends so the raw ends are in line. Place the other cross strip across the ends of the handle and adjustable straps and topstitch into place.

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Add the handles and the top strip

Step 15: How to Sew a DIY Backpack Purse

Create the lining.  At this point you are going to add a zippered pocket to your lining.  It is far more intimidating than it is to actually do.  You can follow my tutorial on how to add a zippered pocket to add one to this bag.

For this bag, you will add your zippered pocket to one of the lining pieces so that the box for your 7″ zipper measures 3/8″ x 7 1/8″ and will be 1 1/4″ down from the top pf the pocket.  The top of the pocket is 1 3/8″ down from the lining top.

Step 16: How to Sew a DIY Backpack Purse

Place the two lining pieces right sides together and sew the sides and the bottom leaving an opening in the bottom for turning.  Cut squares from the bottom corners of the lining that measure 2 3/4″ x 2 3/4″.  Box the corners by matching the bottom seam and the side seam and sewing using 1/4″ seam allowance.  You will notice that the lining of this bag changed half way through.  Unfortunately I mismeasured my lining fabric and because I used something from my stash I didn’t have any more of the original fabric I had chosen but this one works well enough. Unfortunately I had already completed the flap using the other fabric.  Oh well.  It all still looks and functions great.

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Box the corners

Step 17: How to Sew a DIY Backpack Purse

Assemble the bag.  Place the outer front and back bag right sides together along the sides and the bottom.  Cut the corners like you did for the lining and box them.

Step 18: How to Sew a DIY Backpack Purse

Place the flap right sides together with the top of the back matching the raw edges and it is placed in the center.  Stitch the flap in place.

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Add the flap to the back of the bag right sides together

Step 19: How to Sew a DIY Backpack Purse

Place the outer bag inside the lining bag so that they are right sides together and the side seams are line up.  Stitch around the top through all layers.  Turn the bag by pulling it through the opening you left in the lining.  Sew the lining closed sing ladder stitch.

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Insert the outer bag into the inner bag so that they are right sides together

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Turn the bag through the opening in the lining

Step 20: How to Sew a DIY Backpack Purse

Push the lining inside the bag and topstitch all around the top.

Step 21: How to Sew a DIY Backpack Purse

When this bag is not full it can get a little floppy so to solve this problem add a couple of snaps or kam snaps to the top edge about 1 1/4″ from the side seams and a 1/2″ from the top to help.  I used Kam Snaps for mine because they are so easy to install.  You can buy them in a kit with complete instructions.

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Add the snaps

I hope that you have enjoyed this terrific bag sewing project.  There are quite a few steps but it is really rather simple to make just follow the steps and you will have a terrific DIY backpack purse.

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Finished bag

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Looking Forward to Reading your Thoughts on this Project

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