The length of the bench and the width of the bench.
How to make a bay window bench seat cushion.
Purchase the plywood at your local home improvement store and ask them to cut it the size of your bench top.
There are two measurements that you will need.
We used dura skrim pattern material to trace the shape of the bench to be sure we had the angles just right.
Align this crease to the center of the bay.
You can have memory foam or just regular foam padding.
How to make a window seat cushion.
Measure the distance from.
Cut the foam to fit the dimensions of the bench.
Measure the width across the front of the bay opening and record this measurement as the cushion finished length.
Foam can be purchased at most fabric stores.
Tape the front of the paper.
Purchase foam and cut it the size of the plywood.
Double check to make sure it s looking good then staple around the rest of the cushion.
To get the best fit we decided to make one extra long bay window seat cushion with angled sides to match the shape of the bench.
A built in bookshelf is a good choice if you have narrow space.
The window seat has a soft cushion several pillows storage under the cushion and a built in bookshelf.
Get a piece of foam that will serve as the inside of the cushion.
Tuck the corners in neatly hospital corners and put a couple staples at each corner.
Step 2 foam and fabric cutting foam comes in several sizes and styles.
Look for a piece that is about 3inches thick and at least as long as your window seat bench.
Lay the fabric over the cushion and make sure its straight.
Then staple the middle of each side keeping the fabric tight really tight i didn t do this well enough.
You don t want to have to use more than one piece of foam.
Fold the paper in half along the cushion width and crease it.
I used a electric meat carver to cut my foam.
If you want to have two cushions then split the length in half.