How to Sew a Patio Pillow – Mitered Square Pattern

Bring the coziness of your home outside with a beautiful patio pillow Using striped fabric allows you to get a mitered square design, plus the zipper closure means you can use premade pillow forms

Let’s take a look at the supplies you’ll need for this summer project To get started, you’ll need a sixteen inch square pillow form, one yard of outdoor striped fabric, a twelve inch zipper, and all-purpose thread You’ll also need paper and sewing scissors, straight pins, seam ripper, pattern paper, ruler, pencil, iron and your sewing machine and zipper foot First, we’ll need to make our pattern Draw a square that’s seventeen inches by seventeen inches

This is our pillow dimensions plus one inch added for seam allowance Take your ruler and draw a diagonal line, connecting the opposite corners Using your paper scissors, cut out on the pattern lines so you end up with four triangles Your fabric should be a single layer when you lay out your four triangle patterns The stripes should be going horizontally across the triangles and lined up so that the stripe pattern looks exactly the same from triangle to triangle Pick a line as your guide to line up the bottom of each triangle

After pinning them in place, cut out your fabric triangles Lay out the triangles in a square to make sure you’re getting a mitered square design Pick two adjacent triangles At the shared edge, pin right sides together, making sure the stripes match Repeat for the remaining two triangles

At your sewing machine, sew a seam along each pinned edge, using a half inch seam allowance Press your seams open with a hot iron Now pin the pair of triangles together and sew another half inch seam at your sewing machine and press the seam open Use your square as a pattern to cut another square from your fabric, or repeat the previous steps, if you want the mitered design to be on both sides Take the front pillow and back pillow and pin right sides together on one side only

Take your zipper, you can use a regular zipper or invisible zipper, like me, and place it on the pinned edge Center the zipper and, at the zipper stops, mark with X’d pins Start sewing a half inch seam allowance with a regular length straight stitch When you get to the X, do a back stitch to lock the stitch off Between the X’s, switch to a basting stitch and continue sewing the basting stitch until you get to the next X

When you get to the that X, then you’ll switch back to a regular length straight stitch to finish the seam Press the seam open and then lay your zipper, right side down in the basted section, making sure center of the zipper is centered on the seam Pin or use two sided sewing tape to keep the zipper in place Use a zipper foot to sew as close to the zipper teeth as you can You’ll want to sew all the way around the zipper using a regular length stitch but the top of the zipper might be hard so just do your best to get as far as you can

We can finish that up in a bit With a seam ripper, carefully remove the basting stitches If you weren’t able to sew around the top of the zipper previously, just unzip the zipper halfway and you should be able finish sewing around that end of the zipper Now we’ll finish sewing the remaining three sides of our pillow together Line up front and back, right sides together, pin and sew a half inch seam allowance on the three sides

Just make sure the zipper is halfway open during this step After sewing your seams, cut off the corners of the pillow but make sure not to cut your stitches Through the zipper opening, flip the pillow right side out and press Now insert your pillow form and when you’re done, zip the zipper closed Here’s my new finished patio pillow! It looks great on both the front and the back! Depending on where you place your triangle patterns at the beginning, you can get different looks even with the same fabric

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