\starttext
\startuseMPgraphic{name}
  fill fullcircle scaled 5cm withcolor red;
\stopuseMPgraphic

\startuseMPgraphic{name2}
beginfig(5)
    Phi=(1+sqrt5)/2;
    w=100;
    h=Phi*w;
    y1=y6=0;
    y3=y4=h;
    y2=y5;
    x1=x2=x3=0;
    x4=Phi*x5=x6=w;
    (y3-y2)=Phi*(y2-y1);

    pickup pensquare xscaled 30 yscaled 4 rotated 30; 
    draw z1..z6..z2 withcolor .8white;
    draw z3..z4 withcolor .6white;
    draw z2..z3 withcolor .4white;
    %labels(range 1 thru 6);
endfig;

draw (0, 0)--(350, 275);
\stopuseMPgraphic

\useMPgraphic{name}
\useMPgraphic{name2}

\stoptext