begin{fmffile}{test}
begin{fmfgraph*}(200,90)
fmfleft{i2,i1}
fmfright{o2,o1}
fmf{dbl_plain_arrow,label=$P$}{i2,v4}
fmf{plain}{v4,v5}
fmf{plain}{v5,v6}
fmf{dbl_plain_arrow}{v6,o2}
fmffreeze
fmf{fermion,label=$k$}{v4,v1}
fmf{fermion,label=$k'$}{v1,v2}
fmf{fermion}{v2,v3}
fmf{fermion}{v3,v6}
fmf{phantom}{v1,i1}
fmf{phantom}{v3,o1}
fmffreeze
fmf{photon,label=$q$,tension=2}{i1,v1}
fmf{photon}{v3,o1}
fmfforce{xpart(vloc __v1)+7.5,ypart(vloc __v1)}{v1} % quark top left
fmfforce{xpart(vloc __v2),ypart(vloc __v2)}{v2} %  quark top middle
fmfforce{xpart(vloc __v3)-7.5,ypart(vloc __v3)}{v3} % quark top right

fmfforce{xpart(vloc __i2)-10,ypart(vloc __i2)}{i2} % proton left
fmfforce{xpart(vloc __o2)+10,ypart(vloc __o2)}{o2} % proton right

   fmfforce{xpart(vloc __i1)+10,ypart(vloc __i1)-10}{i1} % photon left
   fmfforce{xpart(vloc __o1)-10,ypart(vloc __o1)-10}{o1} % photon right


   fmf{dashes,width=thin}{v5,v2}


   fmfovalblob{.10w}{.6}{v2} % upper blob
   fmfovalblob{.4w}{.3}{v5} % lower blob
end{fmfgraph*}
end{fmffile}