How to Prep Your Quilt for a Longarm Quilter

I love quilting.

I love pulling fabric. I love cutting pieces. I love chain-piecing while sipping something fizzy and pretending I have not completely taken over the dining room table.

But the actual quilting step?

Listen. She and I have had a complicated relationship.

Some quilters love wrangling a full-size quilt through a domestic machine. I deeply respect them. I also feel like they may be built different. For me, sending a quilt top to a longarm quilter is one of my favorite ways to actually get a quilt across the finish line without turning the whole thing into an upper-body workout and a personal growth exercise.

If you have a finished quilt top sitting in your WIP pile, this might be your sign to let someone else take it from “almost done” to “ready for binding.”

And if you have never sent a quilt to a longarm quilter before, I promise it is not as mysterious as it sounds. There are a few simple things you can do before sending it off that will make the whole process smoother for you, your quilter, and your quilt.

What Is Longarm Quilting?

Longarm quilting uses a specialized sewing machine mounted on a large frame. Your quilt top, batting, and backing are loaded onto the frame, and the machine stitches the quilting design across the layers.

Most longarm quilting for everyday quilts is done with an edge-to-edge design, sometimes called a pantograph. That means the same quilting design repeats across the entire quilt, giving it texture, movement, and that delicious crinkly finish after washing.

Longarm quilting is especially helpful for larger quilts, quilts with lots of seams, or any project you know you are not realistically going to quilt yourself.

No shame. No guilt. Just outsourcing with excellent boundaries.

Why Send a Quilt to a Longarm Quilter?

Sending a quilt to a longarm quilter can feel like such a relief, especially if the quilting step is where your projects tend to stall out.

Here’s why I love it:

You do not have to baste the quilt yourself.

You do not have to wrestle a big quilt through your home machine.

You get access to beautiful quilting designs that can really finish the quilt in a polished way.

You can move a finished quilt top out of the pile and into real life.

The main tradeoffs are cost and turnaround time. Longarm quilting is an investment, and most quilters will have a waitlist or scheduled timeline. But if the alternative is letting that quilt top sit folded in a closet for another three years while it stares at you like a tiny fabric ghost, it might be worth it.

How to Prep Your Quilt Top for a Longarm Quilter

Every longarm quilter will have their own preferences, so always check their instructions first. That said, these prep steps are pretty standard and will help your quilt arrive ready to go.

1. Square Up Your Quilt Top

Before you send your quilt out, lay the top flat and check that the edges are straight and the corners are square.

Wavy borders or uneven edges can cause issues when the quilt is loaded onto the frame. You do not need to panic over every tiny wobble, but you do want the quilt top to be as flat and square as possible.

A little prep here can save a lot of fuss later.

2. Staystitch Around the Outer Edge

Staystitching is one of those tiny steps that feels optional until you skip it and regret your life choices.

Sew a line of stitches about ⅛" from the outer edge of your quilt top. This helps keep seams from popping open, especially if you have pieced blocks or bias edges along the outside.

It also helps reduce stretching while your quilt is being handled, shipped, or loaded onto the longarm frame.

3. Trim Loose Threads

Turn your quilt top over and give the back a good once-over.

Snip any loose threads, especially dark threads that might show through lighter fabrics. This is not about making the back of your quilt look perfect. It is about preventing thread shadows from showing up later and haunting you forever.

Tiny drama. Big difference.

4. Press the Quilt Top Well

Press your quilt top so it is as flat as possible before sending it out.

Use steam, starch, a tailor’s clapper, or whatever pressing routine makes you feel like you have your life together for fifteen minutes. Flat seams help the longarm quilter load and quilt your project more smoothly.

The goal is not perfection. The goal is cooperative fabric.

5. Mark the Top of the Quilt

If your quilt has a directional design, mark the top edge with a safety pin, sticky note, or a piece of masking tape.

Do the same for your backing if the print is directional.

This is such an easy step, and it helps avoid the heartbreak of realizing your backing is upside down after the quilting is finished. Ask me how many things I have learned the hard way.

Actually, don’t.

How to Prep Your Quilt Backing

Your backing matters just as much as your quilt top. A well-prepped backing helps the quilt load properly and gives your longarm quilter enough extra fabric to work with.

Make the Backing Bigger Than the Quilt Top

Most longarm quilters require your backing to be at least 4" larger than your quilt top on all four sides.

That means if your quilt top measures 60" x 70", your backing should be at least 68" x 78".

This extra fabric is not just a suggestion. The longarm frame needs that space so the backing can be attached, tensioned, and quilted properly.

Piece the Backing Carefully

If you are piecing your backing, use a sturdy seam allowance, usually around ½", unless your longarm quilter tells you otherwise.

Trim the selvages before sewing your backing pieces together, because selvages do not shrink or behave the same way as the rest of the fabric. Press the seam open to reduce bulk.

If your backing print is directional, double-check that everything is facing the way you want before you sew it together.

Or lean fully into chaos. But only if it is intentional chaos.

Square Up the Backing

Just like your quilt top, your backing should be squared up before it goes to the longarm quilter.

A crooked backing can make loading the quilt more difficult and may cause shifting or tension issues. Give it a quick trim and make sure the edges are straight.

Future you will be so pleased.

What About Batting?

Many longarm quilters offer batting for purchase, and honestly, that can be the easiest option. They usually carry high-quality batting they know works well on their machine.

If you prefer to send your own batting, make sure it is also at least 4" larger than your quilt top on all four sides.

So for that same 60" x 70" quilt top, your batting should be at least 68" x 78".

Before sending batting, check with your longarm quilter. Some have specific batting preferences or may not accept certain types.

Choosing a Quilting Design

Most longarm quilters will have a collection of edge-to-edge quilting designs you can choose from.

These designs can be simple, modern, floral, swirly, geometric, seasonal, novelty, or somewhere in the “I fell into a pantograph rabbit hole at 11:43 PM” category.

If you are not sure what to choose, ask your quilter for suggestions. They have seen a lot of quilts and usually have a great eye for what will complement the pattern, fabric, and overall feel of your project.

A good quilting design does not have to steal the show. Sometimes the best choice is the one that adds texture and lets the quilt top do its thing.

Choosing Thread Color

Thread color can change the whole feel of a quilt.

A matching or blending thread will give your quilt a softer finish. A contrasting thread will make the quilting design more noticeable. A mid-tone thread can be a great choice when your quilt has a lot of colors and you need something that plays nicely with everyone.

When in doubt, ask your longarm quilter what they recommend. They can usually suggest a thread color that will look good across the entire quilt, not just on one fabric.

How to Package Your Quilt

Once your quilt top and backing are ready, fold them neatly.

Place everything in a sealable plastic bag before putting it into a shipping box or envelope. This helps protect the fabric in case the package gets wet during shipping, which is one of those thoughts I do not like having but unfortunately must acknowledge.

Include a note with your name, contact information, quilt top name if applicable, and any special instructions.

If your longarm quilter has an order form, include that too.

Before shipping, take a quick photo of your quilt top and backing for your own records. It is also a good idea to use tracking when mailing your quilt.

What to Expect After Sending Your Quilt

Every longarm quilter runs their business a little differently, but generally, you can expect them to confirm the details of your order before quilting.

They may ask about:

• Quilt top and backing measurements
• Batting choice
• Thread color
• Quilting design
• Timeline
• Return shipping
• Binding services, if offered

Some longarm quilters will send a photo when your quilt is finished or share a sneak peek while it is on the frame. This part is extremely fun. Very “my quilt is at summer camp and thriving.”

Once your quilt comes back, it will usually be trimmed or ready for you to trim, depending on your quilter’s process. Then you can add the binding and call that beauty done.

How Much Does Longarm Quilting Cost?

Longarm quilting is usually priced by the square inch.

A common range for edge-to-edge quilting is around $0.02 to $0.03 per square inch, though pricing varies depending on the quilter, design, location, batting, thread, and any extra services.

To estimate the quilting cost, multiply the width of your quilt by the length, then multiply that number by the quilter’s rate.

For example:

60" x 70" = 4,200 square inches

4,200 x $0.025 = $105

That estimate usually does not include batting, shipping, trimming, or binding services, so make sure to read your quilter’s pricing details before booking.

A Finished Quilt Is a Finished Quilt

There is no prize for doing every single step yourself.

If you love quilting your own quilts, amazing. If you love piecing and would rather send the quilting step to someone with a big beautiful machine and the patience of a saint, also amazing.

The whole point is to get the quilt finished in a way that works for you.

So if you have a quilt top folded up somewhere, waiting patiently for its big moment, maybe this is your nudge to send it out. Let a longarm quilter work their magic while you move on to the next project, the next fabric pull, or the next wildly unnecessary side quest.

Your quilt deserves to cross the finish line.

And honestly? So do you.

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Because sometimes the hardest part is not starting.

It is deciding that this quilt is finally coming out of hibernation.