input mf2tex mode_setup; labelheader("test"); unit#=3cm#; mypen#=0.3mm#; define_pixels(unit,mypen); beginlabeledchar(1,unit#,0.9unit#,0,"one"); z1=(0,0); z2=(w,0); z3-z1=(z2-z1) rotated 60; pickup pencircle scaled mypen; draw z1--z2--z3--cycle; %big triangle z4=1/3[z1,z2]; z5=2/3[z1,z2]; z6=1/3[z2,z3]; z7=2/3[z2,z3]; z8=1/3[z3,z1]; z9=2/3[z3,z1]; draw z4--z7--z8--z5--z6--z9--cycle; %3 middle triangles labelMM(x9,1/3[y4,y9],"A"); %6 letters labelMM(x3,1/3[y4,y9],"B"); labelMM(x6,1/3[y4,y9],"C"); labelMM(x4,1/3[y9,y8],"D"); labelMM(x5,1/3[y9,y8],"E"); labelMM(x3,1/3[y8,y3],"F"); labelMM(x4,2/3[y4,y9],"a"); %next 3 letters labelMM(x5,2/3[y4,y9],"b"); labelMM(x3,2/3[y9,y8],"c"); endlabeledchar; labelfoot; end;