10.9.2 Chanfrein (chamfer)



  \begin{texgraph}[export=pgf,name=Chanfrein]
    view(-3.5,4.5,-3,3), Marges(0,0,0,0), size(7.5),
    P:=Parallelep(Origin, 3*vecI,3*vecJ,3*vecK),
    P1:=Chanfrein(P,0.25,0), P2:=Chanfrein(P,0.25,1),
    DrawFacet( shift3d(P1,-2*vecJ), [color:=steelblue],
               shift3d(P2, 2*vecJ), [color:=steelblue]),
    Label(-2-1.5*i, "no blunting", 1.8-2.6*i, "blunting")
  \end{texgraph}

 PIC



Chanfrein (Chamfer)