Leap Frog quilt block

A 6″ finished block measures 6½″ before it’s sewn into a quilt. Each fabric’s yardage is the least that cuts its strips across the width of fabric, with a strip to spare for straightening.

Worked out by @quarterinch/cutting · ¼″ seams included · strips cut across 42″ of usable width · the letters are the pieces the sewing steps name

A 9″ finished block measures 9½″ before it’s sewn into a quilt. Each fabric’s yardage is the least that cuts its strips across the width of fabric, with a strip to spare for straightening.

Worked out by @quarterinch/cutting · ¼″ seams included · strips cut across 42″ of usable width · the letters are the pieces the sewing steps name

A 12″ finished block measures 12½″ before it’s sewn into a quilt. Each fabric’s yardage is the least that cuts its strips across the width of fabric, with a strip to spare for straightening.

Worked out by @quarterinch/cutting · ¼″ seams included · strips cut across 42″ of usable width · the letters are the pieces the sewing steps name

For the 6″ block. Choose another size above and these steps follow it.

1. Add 6 corner triangles

   Sew the Background B triangle across the corner, along its long edge, and press toward the triangle.

2. Make 2 sections

   Sew the two parts together along the diagonal seam: Background G piece to Dark A piece. Press the seam to one side.

3. Add 2 corner triangles

   Sew the Background D triangle across the corner, along its long edge, and press toward the triangle.

4. Make 2 sections

   Sew the two parts together along the diagonal seam. Press the seam to one side.

5. Add 2 corner triangles

   Sew the Background B triangle across the corner, along its long edge, and press toward the triangle.

6. Add 2 corner triangles

   Sew the Background D triangle across the corner, along its long edge, and press toward the triangle.

7. Make 2 sections

   Sew the two parts together along the diagonal seam. Press the seam to one side.

8. Add 2 corner triangles

   Sew the Dark E triangle across the corner, along its long edge, and press toward the triangle. Its size isn’t on the ⅛″ ruler at this block size, so sew it as cut and don’t trim it.

9. Make 2 sections

   Sew the two parts together along the diagonal seam. Press the seam to one side. Its size isn’t on the ⅛″ ruler at this block size, so sew it as cut and don’t trim it.

10. Sew the units and pieces into 3 rows

    Lay out the units and pieces as in the picture and sew them into 3 rows. Press the seams in row 1 to the left, row 2 to the right, and so on, so they nest when the rows are joined.

11. Join the rows

    Join the 3 rows, matching and nesting the seams where they meet. Press the long seams open or to one side. The block measures 6½″ (6″ finished).

For the 9″ block. Choose another size above and these steps follow it.

1. Add 6 corner triangles

   Sew the Background B triangle across the corner, along its long edge, and press toward the triangle.

2. Make 2 sections

   Sew the two parts together along the diagonal seam: Background G piece to Dark A piece. Press the seam to one side.

3. Add 2 corner triangles

   Sew the Background D triangle across the corner, along its long edge, and press toward the triangle.

4. Make 2 sections

   Sew the two parts together along the diagonal seam. Press the seam to one side.

5. Add 2 corner triangles

   Sew the Background B triangle across the corner, along its long edge, and press toward the triangle.

6. Add 2 corner triangles

   Sew the Background D triangle across the corner, along its long edge, and press toward the triangle.

7. Make 2 sections

   Sew the two parts together along the diagonal seam. Press the seam to one side.

8. Add 2 corner triangles

   Sew the Dark E triangle across the corner, along its long edge, and press toward the triangle. Its size isn’t on the ⅛″ ruler at this block size, so sew it as cut and don’t trim it.

9. Make 2 sections

   Sew the two parts together along the diagonal seam. Press the seam to one side. Its size isn’t on the ⅛″ ruler at this block size, so sew it as cut and don’t trim it.

10. Sew the units and pieces into 3 rows

    Lay out the units and pieces as in the picture and sew them into 3 rows. Press the seams in row 1 to the left, row 2 to the right, and so on, so they nest when the rows are joined.

11. Join the rows

    Join the 3 rows, matching and nesting the seams where they meet. Press the long seams open or to one side. The block measures 9½″ (9″ finished).

For the 12″ block. Choose another size above and these steps follow it.

1. Add 6 corner triangles

   Sew the Background B triangle across the corner, along its long edge, and press toward the triangle.

2. Make 2 sections

   Sew the two parts together along the diagonal seam: Background G piece to Dark A piece. Press the seam to one side.

3. Add 2 corner triangles

   Sew the Background D triangle across the corner, along its long edge, and press toward the triangle.

4. Make 2 sections

   Sew the two parts together along the diagonal seam. Press the seam to one side.

5. Add 2 corner triangles

   Sew the Background B triangle across the corner, along its long edge, and press toward the triangle.

6. Add 2 corner triangles

   Sew the Background D triangle across the corner, along its long edge, and press toward the triangle.

7. Make 2 sections

   Sew the two parts together along the diagonal seam. Press the seam to one side.

8. Add 2 corner triangles

   Sew the Dark E triangle across the corner, along its long edge, and press toward the triangle. Its size isn’t on the ⅛″ ruler at this block size, so sew it as cut and don’t trim it.

9. Make 2 sections

   Sew the two parts together along the diagonal seam. Press the seam to one side. Its size isn’t on the ⅛″ ruler at this block size, so sew it as cut and don’t trim it.

10. Sew the units and pieces into 3 rows

    Lay out the units and pieces as in the picture and sew them into 3 rows. Press the seams in row 1 to the left, row 2 to the right, and so on, so they nest when the rows are joined.

11. Join the rows

    Join the 3 rows, matching and nesting the seams where they meet. Press the long seams open or to one side. The block measures 12½″ (12″ finished).