Step 3. Layer square 1C on the other
end of rectangle. Sew directly on top of line. Cut away corner.
Step 4. Assemble 3 more parallelogram
units and then reverse sewing direction and assemble 4 reversed units
(refer Step 4 diagram for reverse illustration).
Step 5. Sew one parallelogram and
one reverse parallelogram unit together to form block sub unit.
Block Assembly
