newgraph 
xaxis min 0 max 5.5 size 5.5 nodraw
yaxis min 0 max 2.8 size 2.8 nodraw
(*
newcurve eps cube.eps marksize 1.25 2.8 pts .6 1.4
newcurve eps disk.eps marksize .8 .8 pts 
*)
newcurve eps cube.eps marksize 0 0 pts .6 1.4
newcurve eps disk.eps marksize 0 0 pts 
   4.7 1.6
   4.5 1.3
   4.3 1
   4.1 0.7

newline asize .2 .1 linethickness 3 rarrow 
          pts 1.4 1.5 4.0 1.6
copycurve pts 1.4 1.4 3.8 1.3
copycurve pts 1.4 1.3 3.6 1.0
copycurve pts 1.4 1.2 3.4 0.7
