7" Hexagon measures 7" from corner to corner of the seam allowance lines. 6.5" from side to side, 6 " side to side of the seam allowance lines. Each of the 6 sides measures 3 3/4" overall and 3 1/2" on the seam allowance lines.
6" Diamond measures 7" Top to Bottom and 6" Top seam allowance line to Bottom seam allowance line. It is 4" left to right overall and 3 1/2" left seam allowance line to right seam allowance line.