Sail Boats Postcard Partner: This adorable little project is made with 4 postcard projects: PP#13 (Half Hex), PP#15 (60-degree Equilateral Triangle), PP#18 (Half Rectangle Triangles). Combining shapes is always fun. Acrylic templates and instructions for 4 projects included. This pattern is written for MACHINE piecing but as the Acrylic Templates include a seam allowance, it can be hand pieced.