// Official US Flag Specifications // https://en.wikipedia.org/wiki/Flag_of_the_United_States#Specifications // dimensions aspect = 1.9 stripe = 1/13 canton_h = 7*stripe canton_w = (2/5)*aspect star_r = (2/5)*stripe star_dy = canton_h/10 star_dx = canton_w/12 // colors red = '#B22234' blue = '#3C3B6E' white = '#e2ddd3' // ensure proper aspect ratio on any screen w = min(height*aspect, width) h = w/aspect // stripes loop(13, i { fill_rectangle( 0, (i-1)*h*stripe, w, i *h*stripe, [white,red][mod(i,2)] ) }) // canton fill_rectangle(0, 0, canton_w*h, canton_h*h, blue) // stars // 9 rows loop(9, y { // alternating rows of 6 and 5 stars loop(6 - mod(y+1, 2), x { fill_star( star_dx*(2*x - mod(y,2))*h, star_dy*(h*y + 1), h*star_r/2.5, h*star_r, 5, white ) }) })