We recently upgraded our queen size mattress to a king size mattress by way of getting two twin XL mattresses and shoving them together to make a king size mattress. I needed to make new bedding!!
The sizing is for twin XL mattresses measuring 39- x 80-inches.
- 3 yards of ½-inch braided elastic
- 4 yards of 113-inches wide organic cotton sateen from Organic Cotton Plus
Before you begin PREWASH YOUR FABRIC!!!
Cut two pieces of fabric each 71 inches x WOD (width of fabric). The bedding will be turned 90º from what you would expect. The top and bottom go from selvage edge to selvage edge.
Cut out your corners, 15-inch square.
Your fabric should still be 71 inches wide.
And ~112 inches long.
Using the french seam method, sew the corners together. Pin wrong sides together and sew together with a ⅜ inch seam allowance. Trim the seam allowance down to ⅛ inch. Fold the fabric along the seam, right sides together. Stitch along the edge with a ⅝ inch seam allowance.
Attach the elastic to the bottom raw edge on the wrong side of the fabric. I used my Babylock serger with the elastic foot:
You could also just use a zigzag stitch and stretch your elastic as you sew. You can follow this tutorial on Indie Sew. I didn’t measure how much elastic I used. It is your preference as to how much stretchiness you want.
Once your elastic is attached to the wrong side, fold the elastic over and stitch down. Keep the elastic taut and carefully and consistently feed it through your sewing machine. I set my presser foot pressure at maximum and used a straight stitch with a stitch length between 3 and 4. Fitted sheet is done!
Using your second piece of fabric that was cut 71 inches x WOD (~112 inches), fold over and press the bottom selvage edge by 1 inch.
Fold over and press again to create a 1-inch double-folded hem.
Pin the hem in place and sew about ⅛ inch from the folded edge of the fabric.
To make the top hem, fold over top selvage edge ½ inch and press.
Fold over 4 inches.
Pin the hem in place and sew about 1/8 inch from the folded edge of the fabric.
Next, we will finish the sides. Fold each side over ½ inch and press.
Fold over again to create a ½-inch double-folded hem.
Pin in place and sew about 1/8 inch from the folded edge of the fabric.
These look awesome and I bet they feel wonderful! Have you tried a duvet?
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I haven’t because we got rid of our comforter years ago. Even though we keep a cold house we are both warm sleepers and only need a sheet and maybe a light blanket even in winter. We cover our bed with a quilt just so it looks nice. This fabric is nice enough and is wide enough to easily make a duvet.
Totally understand. I am definitely looking into making a duvet this year. I’ll check out your supply source. Thanks for another great post!
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