Piecing On-Point Quilts Block-to-Block or With Sashing

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Last Updated April 06, 2018

This tutorial shows how to piece on-point quilts block-to-block or with sashing. Blocks are sometimes set on-point to give the block a different look. Setting blocks on-point are also a way to make a bigger quilt without making more blocks. For more information about blocks set on point and quilt layouts read the following articles:

Quilt Blocks Set On-Point

Side and Corner Triangle Cutting Chart

Overview of Quilt Layouts

Sashing are strips of fabric sewn between quilt blocks. When sashing strips are added to the quilt top, the side and corner triangle sizes are different than quilts without sashing.

Recommendation: I always use Faultless Maxx Spray Starch when piecing my quilts. Because you will be working with bias edges, I recommend you use this spray starch when piecing your on-point quilts.

Piecing On-Point Quilts Block-to-Block

On point quilts without sashing

Lay out all the blocks on point.

Side triangles for on-point quilts

Using the Triangle Cutting Cart find the size to cut squares for the side triangles. Each square makes 4 triangles. For this quilt I needed 10 side triangles so I cut 3 squares.

TIP: When cutting the side and corner triangles from squares, cut the squares about 1/2″ larger than the chart shows. It is better to trim excess fabric than to come up short!

on point quilts side triangles.

Place the side triangles where they belong in the quilt.

squares for corner triangles for on-point quilts

Using the Triangle Cutting Cart find the size to cut squares for the corner triangles. Make the squares a little larger if you like. You will need two squares.

corner triangles for on point quilts

Place the corner triangles in the corners.

on point quilts sewing rows

Start in one corner and sew the blocks and triangles into rows. When sewing the side triangles to the blocks, make sure the straight edges are lined up as shown in the picture above. Press seams to one side. Alternate the pressing direction for each row. This allows the seams to interlock later when rows are sewn together.

on point quilts sew rows together

Rows completed.

When sewing the remaining corner triangles, clip the nubs.

on point quilts corner triangles

Center the corner triangle across the square and stitch.

pn point quilts sew rows together
Sew the rows together, matching seams.

on point quilts trim edges

Using a long ruler and a rotary cutter, align the 1/4″ mark with the outer points of the blocks. Trim the edges.

on point quilts trimmed edge

Trimmed edges. At this point the quilt top is finished or borders may be added.

on point quilts

Finished quilt top.

Piecing On-Point Quilts With Sashing

on-point sash

Lay out all the blocks on-point.

on point quilts sash

Place the sashing strips between the blocks and the outer edges as shown. Stitch the blocks and sashing into rows.

On-Point sash rows

Divide the rows down the center. In this case we have three rows in the upper left and three in the lower right. Measure the length of each row. Cut a sashing strip to this size and sew the strip to one side of the row as shown above.

Cut the Side Triangles

on point quilt measure for side triangles

Measure the side of a corner block, including the sash as shown above. This measurement is used as the “finished block size” for the side triangles only in the Triangle Cutting Chart. For example, this block and sash measures 6″. On the Triangle Cutting Chart look for 6″ under the column Finished Block Size. Read across to the next column, Side Triangles, and you see 9-3/4″ Cut 3 squares at 9-3/4″. Make the squares larger if you like.

on point quilts side triangles

Cut the squares in half diagonally for a total of 12 side triangles. DO NOT cut the corner triangles at this time.

on point quilts side triangles

Place the side triangles in the layout.

Cut the Corner Triangles

Measure across one of the corner blocks as shown below.

on point quilts sash corner triangles

This measurement is used as the “finished block size” for the corner triangles only in the Triangle Cutting Chart. For example, this block and sash measures 7″. On the Triangle Cutting Chart look for 7″ under the column Finished Block Size. Read across to the third column, Corner Triangles, and you see 5-5/8″. Cut 2 squares at 5-5/8″. Make the squares larger if you like.

on point sash corne triangles

Cut the squares in half diagonally for a total of 4 corner triangles.

on point quilts sash

Place the corner triangles in the layout.

on point sew rows

Sew the rows together. As you sew the rows together, pay attention to the vertical sashing. Here I have marked the location of the 4 vertical sashings. I use the pins when positioning the rows for sewing.

On-Point-Quilts-15

Match the pins to the vertical sashing of the next row. For more information on matching sashing strips watch the video below.

Complete the Top

on point quilts sewing rows
Using the picture above as your guide:

  1. Sew the top 3 rows together.
  2. Sew the bottom three rows together.
  3. Add the corners.
  4. Press seams toward sash.
  5. Measure the length of one of the center rows. Cut a sashing strip to that size.
  6. Sew the sashing strip between the rows.
  7. Add the corners.
  8. Trim the edges.

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