1size(0,150);
2
3if(settings.outformat == "")
4 settings.outformat="pdf";
5
6begingroup();
7fill(shift(1.5dir(120))*unitcircle,green+opacity(0.75));
8fill(shift(1.5dir(60))*unitcircle,red+opacity(0.75));
9fill(unitcircle,blue+opacity(0.75));
10endgroup();
11