Lattice Square Quilt Block Pattern

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Sewing a lattice square quilt block requires some basic sewing skills and a sewing machine. Here are the steps to sew a lattice square quilt block:

Materials you will need:

• Fabric for the lattice strips and the background fabric
• Ruler
• Rotary cutter or scissors
• Sewing machine
• Thread
• Iron and ironing board

Steps:

1. Cut the fabric into strips of 1.5 inches wide for the lattice strips and 2.5 inches wide for the background fabric. Cut the strips to the length you need for your desired block size.
2. Take two strips of lattice fabric and sew them together along the long edge with a quarter-inch seam allowance. Press the seam allowance to one side.
3. Repeat step 2 until you have enough lattice strips to cover the width of your block.
4. Cut the lattice strips into sections that are the same length as your background fabric strips.
5. Sew the lattice strips and background fabric strips together along the long edge with a quarter-inch seam allowance, alternating the lattice and background strips.
6. Press the seam allowances to one side.
7. Cut the strip set into sections that are the same width as your block.
8. Arrange the sections into the lattice square pattern.
9. Sew the sections together along the long edge with a quarter-inch seam allowance, matching the seams.
10. Press the seam allowances to one side.
11. Trim the edges of the block to your desired size, making sure that the corners are square and the edges are straight.

Congratulations! You have successfully sewn a lattice square quilt block. Repeat these steps to create more blocks and assemble them into a quilt top.

How to Resize Quilt Blocks:

The first step in modifying any quilt block is to decide on the size of your finished quilt block. You can come to a decision based on a number of factors: doubling a pattern, cutting your pattern in half, or choosing the size based on your available fabric.

NOTE: When working from a pattern’s cutting instructions, make sure you remove the seam allowance before doubling or tripling the size. For instance, if your pattern calls for 3-1/2″ squares, first you’ll subtract the sum of the seam allowances (1/2″), double the finished block size (from 3″ to 6″), and add the seam allowance back in (1/2″). So, when all is said and done, you will cut a 6-1/2″ piece of fabric.

Resizing Square Blocks:

Square blocks are the easiest to resize. Simply add to your finished block measurement. For example, if you’d like your finished block to be a 4″ square, you’ll need to cut a 4-1/2″ square of fabric.

Resizing Rectangular Blocks:

Similarly to the square, for rectangle blocks, you’ll add to the length and width measurements of your finished block. If you’re doubling block that measures 3″ x 4″ in your quilt, you’ll cut a 6-1/2″ x 8-1/2″ rectangle of fabric.

Resizing Half-Square Triangle Blocks:

When you want to change the size of a Half-Square Triangle block, add 7/8″ to the desired finished block size. To make a 4″ finished block, you’d cut 4-7/8″ squares.

Resizing Quarter Square Triangle:

Since there are two cut lines and two seam lines in a Quarter-Square Triangle block you’ll need to add 1-1/4″ to the desired finished block size. For a finished block that’s 4″, you’d cut your squares 5-1/4″.