Assemble Large Triangle-Squares
1. Use a pencil to mark a diagonal line on wrong side of each tan print 8-7⁄8" square.
2. Layer a marked tan print square atop blue dot 8-7⁄8" square. Sew together with two seams, stitching 1⁄4" on each side of drawn line (Diagram 1).
3. Cut apart on drawn line to make two triangle units. Press each triangle unit open, pressing seams toward blue dot triangle, to make two blue dot large triangle-squares. Each large triangle-square should be 8-1⁄2" square including seam allowances.
4. Using blue tone-on-tone instead of blue dot, repeat steps 2 and 3 to make two blue tone-on-tone large triangle-squares.
5. Using assorted red prints instead of blue dot, repeat steps 2 and 3 to make 24 red large triangle–squares.
1. For one blue dot Martha Washington Star block, gather a set of matching blue dot pieces (two 3-1⁄4" squares, four 2-1⁄2 ×4-1⁄2" rectangles, two triangles, and four 2-1⁄2" squares) and a set of matching tan pieces (two 3-1⁄4" squares and eight 2-1⁄2"squares).
2. Mark a diagonal line on wrong side of each tan print 3-1⁄4" square and 2-1⁄2" square.
3. Referring to Diagram 2 and steps 2 and 3 of Assemble Large Triangle-Squares, use marked tan print 3-1⁄4" squares and the blue dot 3-1⁄4" squares to make four small triangle-squares. Each small triangle-square should be 2-7⁄8" square including seam allowances.
4. Cut each small triangle-square in half diagonally (Diagram 3) to make four triangle pairs total.
5. Referring to Diagram 4, add a blue dot triangle to each triangle pair; press seam toward blue triangle. Each unit should be 2-1⁄2" square including seam allowances.
6. Referring to Diagram 5, sew together four Step 5 units in pairs. Press seams toward blue dot large triangles. Join pairs to make a blue dot Pinwheel unit. Press seam in one direction. The Pinwheel unit should be 4-1⁄2" square including seam allowances.
7. Align a marked tan print 2-1⁄2" square with one end of a blue dot 2-1⁄2 ×4-1⁄2" rectangle (Diagram 6; note direction of drawn line). Sew on marked line, then trim seam allowances to 1⁄4". Press open attached triangle. Repeat to add a second tan print marked square to opposite end of rectangle. Stitch, trim, and press as before to make a blue dot Flying Geese unit. The unit should be 2-1⁄2 ×4-1⁄2" including seam allowances. Repeat to make four blue dot Flying Geese units total.
8. Referring to Diagram 7, sew together one blue dot Pinwheel unit, four blue dot Flying Geese units, and four blue dot 2-1⁄2" squares in three rows. Press seams away from Flying Geese units. Join rows to make a blue dot Martha Washington Star block. Press seams in one direction. The block should be 8-1⁄2" square including seam allowances.
9. Repeat steps 1-8 to make a second blue dot Martha Washington Star block.
10. Using blue tone-on-tone instead of blue dot, repeat steps 1–8 to make three blue tone-on-tone Martha Washington Star blocks.
11. Using assorted red prints instead of blue prints, repeat steps 1–8 to make 11 red Martha Washington Star blocks (Diagram 8).
12. Using assorted tan prints instead of blue prints and red prints instead of tan prints, repeat steps 1–8 to make 12 tan Martha Washington Star blocks (Diagram 9).