Question: The graphics that are very close to each other in one figure

What do you suggest for graphics that are very close to each other in one figure? 

I am asking for graphics in articles to be sent to a scientific journal.

 

a simple example

restart:
with(plots):
f1:=x->0.95*x;
f2:=x->0.99*x;
f3:=x->0.991*x;
p1:=plot(f1(x),x=0..2,color=red);
p2:=plot(f2(x),x=0..2,color=blue);
p3:=plot(f3(x),x=0..2,color=green);
display(p1,p2,p3);

 

 

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