.PS # TR_fill.m4 # https://tex.stackexchange.com/questions/654117/fill-parts-of-a-shape gen_init B: (0,0); "B" at B below C: (5,0); "C" at C below A: Cintersect(B,4,C,3); "A" at A above line from B to C then to A then to B RightAngle(B,A,C,0.25) rgbfill(0.5,0.5,0.5, arc from A to B rad 2 arc cw to C rad 2.5 arc to A rad 1.5 ) .PE