Quilting

Quilt as You Go: Choose and Test the Panel Join

Quilt as you go means quilting smaller sections before joining them into a larger piece. The method reduces the amount of quilt under the machine during the quilting stage. Choose the joining method first, because it controls the block edges, backing and final dimensions.

Some methods quilt through all three layers from the start; others add a separate backing later. Choose one complete method and test its join on two panels before cutting a full set. Use the quilting guide to compare fabrics and batting and reserve enough binding for the outer edge.

Quilt as you go: decide what is inside each section

A fully layered section contains top, batting and backing before it is joined. Its connection must cover the raw edges on both faces. Sashing strips can do that while adding a visible grid between sections.

A top-and-batting method quilts the top to batting first, then joins those units and adds backing later. The backing still needs to be secured. Do not assume it becomes attached just because the top was quilted earlier.

BERNINA's quilt-as-you-go lesson shows a worked approach with a finished join. Read one complete method before cutting. Mixing the block preparation from one version with the joining strips from another can leave exposed batting or an unexpected gap.

Choose based on the finish you want to see on the back. A neat strip grid can be attractive on both sides. A single backing gives a different appearance but may require another quilting pass.

Make two sample panels before a full quilt

To practice the join, make two plain quilt sandwiches slightly larger than 10 inches square. Quilt each one, then trim both to exactly 10 inches square. Matching edges make it easier to check the joining strips.

Use the batting and fabric weights you intend to sew in the quilt. A join that works on thin scraps may become bulky with a thicker filling. Avoid placing a dense seam intersection right at the first sample edge.

Mark which face is the front of each panel. Make the join on one shared 10-inch side, then inspect the back before repeating the method on more blocks.

Keep the sample until the project is complete. Write down the panel trim size and the joining-strip cuts. Use the sample's measured width to work out the full quilt layout.

Practice a narrow-strip panel join

This exercise uses a 1-inch-wide front strip and a 1 3/4-inch-wide back strip. Cut both 10 inches long to match the sample edge. Fold the back strip in half lengthwise, wrong sides together, so it is 7/8 inch wide.

Place the front strip right sides together along the first panel's front edge. Put both raw edges of the folded back strip along the same edge on the back. Sew through that stack with a 1/4-inch seam. The front strip and folded back strip are attached in the same pass.

Move the back strip clear of the next seam. Sew the free long edge of the front strip right sides together to the second panel's front edge, again with a 1/4-inch allowance. Open the panels flat, letting their quilted raw edges meet under the front strip.

The front strip has 1 − 1/4 − 1/4 = 1/2 inch visible between the seam lines. Each panel edge extends 1/4 inch underneath it, so the two raw panel edges meet rather than leaving a 1/2-inch batting gap.

Close the back of the sample join

Turn the folded back strip over the joined edges. Its fold should cover the second attachment seam on the back. Hand stitch the fold to the second panel's backing, keeping the stitches out of the front.

Check the sample in good light and feel along the join. The backing strip should cover all raw edges. The panels should lie flat without the back strip pulling them into a ridge.

The folded back strip begins at 7/8 inch wide. Its first 1/4-inch seam leaves 5/8 inch beyond that seam before the turn, which is intended to span the 1/2-inch seam-line distance with a little overlap. Actual thickness takes some of that width, which is why the physical sample matters.

If it does not cover comfortably, adjust the back-strip width on another sample. Keep the front-strip geometry unchanged while checking the cover. Changing both at once makes the result harder to compare.

Calculate the finished span from the tested join

Two 10-inch panels joined this way have 1/4 inch from each joined edge under the strip. Their outer span remains 20 inches: the panels meet edge to edge beneath the cover. The visible front sashing takes its space from the covered panel edges.

After an outer 1/4-inch edge finish on each end, a two-panel span has a nominal 19 1/2-inch finished width. Measure your sample after quilting and joining before scaling up. A different joining method may add a gap or consume more panel width.

For a four-panel row, the unbound nominal span is 4 × 10 = 40 inches with this butt-edge geometry. There are three shared joins. If the measured sample differs, multiply the measured unit-and-join result instead of assuming a pattern's unrelated sashing calculation applies.

This math is specific to the exercise above. Wider sashing methods may leave space between panels and need batting in that gap. Use their own cutting and size rules.

Plan rows, intersections and quilt direction

Arrange all panels before joining. Check the backs as well as the fronts if the backing uses directional prints. Photograph both layouts and label the rows where the marks will not enter a seam.

Join panels into rows first, then join the rows with strips cut to the measured row length. The long join must cover every raw edge at the intersections. A second small sample with four panels lets you inspect that crossing before assembling the quilt.

If the joining method needs loose fabric at the panel edges, stop quilting far enough from those edges to leave room. Other methods quilt right to the edge. Follow the preparation steps for the join you will sew.

Our beginner quilting machine guide helps with equipment choices. Smaller sections reduce quilting bulk, but the assembled rows still need to rest on the table during their long seams.

Buy batting for the panels you will cut

Work out how many panels fit across the batting's width and along its length before buying. Allow trimming room around each panel. Save narrow offcuts for samples rather than counting them as full panels.

If making several projects, compare batting by the roll with packaged pieces. Buy for a known cutting plan. A large roll is only useful if its width and the space to store it suit the work.

Once joined, inspect both faces and bind the outer edge. The binding guide covers that final perimeter finish. Quilt as you go changes the order of the middle work; the outside still needs closing.

Verdict on quilt as you go

Quilt as you go works when the joining strips fit the quilted panels. Build a two-panel sample, confirm coverage on the back and use its actual dimensions. Then make the full set with one consistent method from cutting through the last row.