A five point star is really easy to find, either as dxf or any of the other image formats. What you really want, I believe, is the proportions of the stars and stripes as they relate to the overall size of the flag. You have five rows of six stars and four rows of five stars in the space of seven stripes, and then six more stripes. If you start with the overall size you want, divide it into 13 stripes, then section off the star field in the top seven stripes you’ll pretty quickly see how big the stars need to be…