Make Your Own Cushion: Box Cushion With Continuous Boxing

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Are you ready for the next cushion style in our Cushion Masterclass video series? In this exciting series, we're teaching you the seven most popular ways to make a cushion. Even if you're new to DIY and sewing, this cushion series is a great way to practice and improve your skills while making something useful and practical. Who doesn't want a well-made cushion using quality materials that will last for years?

Video Chapters:

Intro - 0:00 min.
Using Calculator & Cutting Fabric to Size - 1:28 min.
Making Zipper Plaque - 5:31 min.
Joining Boxing End to Zipper Plaque - 9:10 min.
Adding Prefabricated Piping (Optional) - 12:07 min.
Basting & Sewing Boxing to Plate - 16:02 min.
Sewing Assemblies Together - 23:15 min.
Cutting Foam to Size - 26:36 min.
Inserting Foam in Cover - 27:51 min.
Materials & Tools List - 29:44 min.

Materials List:

Outdura^® Upholstery Fabric - we used Geo Nautical (8804) - SKU: 124777
Lenzip^® #5 Black Continuous Coil Zipper Chain - SKU: 124596
Seamstick 1/4" Basting Tape for Canvas & Upholstery (36 yds.) - SKU: 122065
Tex 70 to 75 Thread from Sailrite
Lenzip^® #5 Black Single Locking Metal Zipper Pull (Coil Chain) - SKU: 124600
EverSoft™ Vinyl Welting / Piping White - SKU: 125109
CushionRite^® Premium Foam (Medium) - SKU: 124234

Tools List:

Clear Acrylic Ruler 6" x 24" - SKU: 102400
Chalk Pen White - SKU: 123131
Sailrite^® Tempered Cutting Glass - SKU: 121915
Sailrite^® Edge Cordless Hotknife 18V Package - SKU: 122177
Gingher^® 8" Scissors Right Handed - SKU: 19104
Sailrite^® Ultrafeed^® LSZ Walking Foot Sewing Machine (110V) - SKU: 311602
Sailrite^® Ultrafeed^® Industrial Sewing Table - SKU: 120934
Magnetic Sewing Guide - SKU: 102983
Seam Ripper Deluxe - SKU: 18104
Sewing Gauge Ruler 6" - SKU: 102995
Sailrite^® Blade Foam Saw V2 with Carrying Case (110V) - SKU: 121244
Pencil, Marker

Swap out your old and dingy patio cushions, sofa cushions, camper or boat cabin cushions with this popular box cushion featuring optional piping and a seamless front-edge boxing strip. Grab your sewing machine and let's get started!

Our DIY box cushion is a bit more complex than other cushions in this series. But our step-by-step video tutorial walks you through the entire construction process. We don't leave anything out; so even beginner sewers will be able to follow along and make a great-looking cushion.

This box cushion with continuous boxing consists of the following pieces: a top and bottom plate, a continuous boxing strip, and a zipper plaque strip. This style of cushion can be square, rectangular or irregularly shaped, so it's a great choice if you have an oddly shaped space that needs a cushion. Here are some other features of this box cushion design:

The boxing strip wraps around the front of the cushion for a seamless, clean look.
A zipper is installed in the back boxing.
Piping can be added to the top and/or bottom edges, or not at all.
The cushion is reversible if decorative fabric is used for both the top and bottom plates.

Cushion With Continuous Boxing Strip 3 — As you can see in this closeup, the boxing strip wraps around the front corners of the cushion. This creates non-seamed front corners for a clean, pleasing appearance.

Are you ready to get started on this cushion DIY? Click the video to watch our complete cushion tutorial. You'll also find the materials and tools lists.

Did you enjoy making your own box cushion with continuous boxing? Did you learn any new sewing skills or techniques? Post your thoughts in the comments section below!

This DIY is part of our Cushion Masterclass video series. In this series, you’ll learn how to make a cushion seven different ways. There’s a technique for every use and style preference, so you can customize cushions for any space. Learn how to make a quick and easy platform cushion, a 30-minute cushion, an irregularly shaped cushion and more!