Today I’m going to show you how to box the corners of a cushion or pillow. After I made a dozen Folded Corner Pincushions, I decided that I didn’t like how “pointy” the corners were. Since I’ve made plenty of bags and pouches with boxed corners, I thought it would work on these pincushions. Not only did it work, but it was really easy to do!
Boxing the corners of my pincushion rounded the shape of the finished project, and I think it looks really cute. I’d say it’s a bit chunkier. Here is a comparison of the pincushions with boxed and unboxed corners.
How to box the corners of a cushion or pillow
There are a few methods to box the corners of a project. I’m going to show you my favorite way which is the corner cut-out method. I think this technique is faster and easier than other methods.
To demonstrate the boxed corner technique, I’m using photos of a pillow that I just made. It’s the same technique I tried on my Folded Corner Pincushion, just larger scale.
Steps to box the corner
NOTE: The boxing steps come after you have sewn the front and back of your project together on all four sides.
- Draw a square on each corner of your project. For this pillow, I drew a 1″ square. For the pincushion, I drew a 1/2″ square. (More information about the square size in a bit).
- Cut out each square on the line – I like to use scissors for this.
- Pinch the corner so that it opens up and you can align the seam from each side.
- Match the seams and pin or clip in place.
- Stitch with 1/4″ seam along the raw edge, backstitching at the beginning and end.
- Repeat for each corner.
- Turn right side out.
The end. Really it’s that simple! Here is what that same process looks like with my little pincushion.
Boxed corner sizes
The size of the square you draw and cut for a boxed corner will determine how “boxy” the corner will be. The bigger the square, the greater the depth.
Basic formula: The size of the finished corner is TWICE the size of the drawn square. (Note that the square size is drawn from the raw edge, not the seam.)
For my pincushion, I drew a 1/2″ square so the finished size of the corner is 1″. For my pillow, I drew a 1″ square, so the finished size of the corner is 2″.
Most patterns will tell you how big to make the corner. If you don’t know, you’ll have to experiment a little (like I did). The next pillow I make, I’m going to try 3/4″ square for the boxed corner. This will give me a 1 1/2″ finished seam. I feel like 2″ corner seam was too much for a 12″ pillow.
I hope you give this boxed corner method a try. It’s really easy to do and the results are so worth it!