From the drawings you posted I can see why you are having issues. You need to be more accurate with your point and line placement. For instance, on the second drawing look at the second horizontal line from the top that is on each side of the top star point. On the left side the line is just above the point it is supposed to connect with and on the right side it does connect. If you looks closely at your drawings, there are issues like this in numerous places. Drafting intricate designs is not for the faint of heart!