Fabric InstructionsBackground: Cut 4 half square triangles from 3½ inch strips.
Accent 1 & 2: Cut from each fabric 2 half square triangles from 3½ inch strips.
Half Square Triangle unit instructions
- Match 3½ inch strips of Background and Accent 1 fabric right sides together.
- Cut 2 pair half square triangles from strips using half square triangle ruler, turning ruler as needed.
- Sew ¼ inch seam on long side of triangle pairs.
- Press seam to one side.
- Repeat above with Background and Accent fabric 2.
A different variation of this block with a calculator for different sizes can be found here.