Pin the piping to the right side of the top and bottom fabric pieces so that the raw edge of the fabric is even with.
How to make a bench cushion with piping.
Cut foam to size.
Then fit the cover on the cushion and pinned the piping on the bottom panel.
Cut all fabric pieces to size.
Preparing the foam cushion.
Sew the bottom piece all the way around the same as the top.
My slab was 24 x 72 but my bench was 18 x 83.
Make some pillows to go with it using this or this tutorial.
Repeat as needed depending on the length of your cushion cover.
Insert prepared cushion being sure to pop the corners out.
Pattern top and bottom fabric plates to the foam size plus the thickness.
Pin bottom piece in same manner making sure corners are lined up.
Curve the corners of the fabric plates.
Use the basting stitch on your machine usually the longest stitch available to sew the piping in place.
Before we get started i wanted to let you in on a little secret.
In my case i doubled the fabric to ensure the foam would not show through.
I was able to get the to line up almost perfectly this way.
Step 6 attach the piping optional 1.
Pin this around the edge of the top cushion fabric allowing for a 1 2 inch seam.
So i cut 4.
Starting in the center of the cushion cover pin each side of velcro onto the back flaps.
When you get to the end cross the end of the piping over the start to create a continuous rectangular shape.
I pinned the piping on the top panel first and sewed that on.
Sewing a bench cushion with piping my secret fabric source.
Mark a line where you need to trim.
Cutting out the pieces.
Fold one side over to the other and stitch down it enclosing the piping cord inside.
Measure the foam and cut it to the size of the bench the final cushion will be slightly smaller than the bench.
To make the piping fit.
Place one side of the velcro on the outer side of the bottom flap near the seam and place the other piece of velcro on the backside of the top flap near the hemmed edge.
Lay your foam on top of the bench.
Piece together the piping into one long strip.
If you are using the piping cord in making your bench cushions then use the strip of fabric you cut before and place the cord down the center.
The bench cushion and side.