You can upcycle an old t-shirt into a casual backpack.
1Begin by removing the sleeves from the t-shirt. Then remove the shoulder and neck portion, cutting straight across right below the collar.
2Next cut the pieces to make the body of the backpack. You can cut either a square or rectangle; the dimensions are up to you. I’m making a child-sized bag. Cut through both layers of the t-shirt. Make sure the edges are straight. Set aside.
3Now use the remaining fabric to cut out straps. You will need two strips that are 1.5x the perimeter of your backpack for a child-sized bag, and 2x the perimeter for a large bag. The strips on my child sized bag are 1 inch wide, and straps for a large bag should be 1.5 inches wide.
4Remove the hem. You may find it’s faster to fold your fabric when you cut your strips. I’m using an extra large tee shirt. If you’re using a smaller shirt, you may find it necessary to sew two strips together to make them long enough. Your strips should be loops. Snip them once to create long strips.
5Set your machine to a lengthened zig-zag stitch. You may also want to switch to a ball point needle. Match up the two strips and sew together down the length of the strips, in the center. So now you have a single, long strap.
6Next we’ll work on the bag. Lay the two pieces right sides together. Pin the two sides, leaving the top and the bottom open. Stop pinning about two inches from the top.
7Once the sides are pinned, fold down the top about an inch for the child-size bag, or 1.5 inches for the large bag. This will form a casing for your strap to weave through. Don’t pin the front and back of the bag together, be sure you’re only pinning through the one folded layer.
8Flip the bag to the other side and repeat, folding down the top edge and pinning.
9With your machine on the same setting, sew the sides of the bag with a 5/8 inch seam. Stop right before the folded edge– you don’t want to sew your casing shut!
10Next we’ll sew the casing on each side. Be sure that you are not sewing the front and back together! Sew along the bottom of the folded edge. Do the same to the back casing as well.
11Now we’re ready to add the strap. Using a safety pin or bodkin, feed the strap through one of the casings. Then, feed it through the other casing, in a loop. Adjust the straps on each side so that they are even. On one side, you’ll have a loop. On the other, you’ll have the two cut ends of the strap. Remove the safety pin.
12With the bag still inside out, tuck the straps inside, close to the edges. Then reach up through the bottom of the sack to align them with the bottom edge. Make sure the straps are not twisted.
13Sew the bottom shut with a 5/8 inch seam, capturing the straps in your stitches.
14Turn the bag right side out. To work the drawstring closure, simply pull on the straps.
Click to find more free sewing patterns for bags!
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