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diff --git a/Master/texmf-dist/doc/metapost/featpost/example/cubicstructurefcc.mp b/Master/texmf-dist/doc/metapost/featpost/example/cubicstructurefcc.mp
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+++ b/Master/texmf-dist/doc/metapost/featpost/example/cubicstructurefcc.mp
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+% cubicstructurefcc.mp
+% L. Nobre G.
+% 2011
+
+input featpost3Dplus2D;
+
+prologues := 1;
+
+f := 2*(5,3,3.5);
+Spread := 20;
+
+beginfig(1);
+ color Ve[], va, vb, vc, vu;
+ numeric i, j, k, e[]p[];
+ string comm, comn, como, a, b;
+ Ve1 = (2,1,-1);
+ Ve2 = (0,1,-1);
+ Ve3 = (-2,1,-1);
+ Ve4 = (-2,-1,-1);
+ Ve5 = (0,-1,-1);
+ Ve6 = (2,-1,-1);
+ Ve7 = (1,1,0);
+ Ve8 = (-1,1,0);
+ Ve9 = (-2,0,0);
+ Ve10 = (-1,-1,0);
+ Ve11 = (1,-1,0);
+ Ve12 = (2,0,0);
+ Ve13 = (2,1,1);
+ Ve14 = (0,1,1);
+ Ve15 = (-2,1,1);
+ Ve16 = (-2,-1,1);
+ Ve17 = (0,-1,1);
+ Ve18 = (2,-1,1);
+ Ve19 = (1,0,1);
+ Ve20 = (0,0,0);
+ Ve21 = (-1,0,1);
+ Ve22 = (1,0,-1);
+ Ve23 = (-1,0,-1);
+ for i=1 upto 23:
+ comm := "unfill rigorousfearpath(" & cstr(Ve[i]) & ",0.08);";
+ comn := "draw rigorousfearpath(" & cstr(Ve[i]) & ",0.08);";
+ getready( comm & comn, Ve[i] );
+ endfor;
+ e1p1 = 1; e2p1 = 2; e3p1 = 3; e4p1 = 4; e5p1 = 5; e6p1 = 6;
+ e1p2 = 2; e2p2 = 3; e3p2 = 4; e4p2 = 5; e5p2 = 6; e6p2 = 1;
+ e7p1 = 13; e8p1 = 14; e9p1 = 15; e10p1 = 16; e11p1 = 17; e12p1 = 18;
+ e7p2 = 14; e8p2 = 15; e9p2 = 16; e10p2 = 17; e11p2 = 18; e12p2 = 13;
+ e13p1 = 1; e14p1 = 2; e15p1 = 3; e16p1 = 4; e17p1 = 5; e18p1 = 6;
+ e13p2 = 13; e14p2 = 14; e15p2 = 15; e16p2 = 16; e17p2 = 17; e18p2 = 18;
+ e19p1 = 2; e19p2 = 5; e20p1 = 14; e20p2 = 17;
+ for i=1 upto 20:
+ vc := Ve[e[i]p2]-Ve[e[i]p1];
+ vu := N(vc);
+ va := Ve[e[i]p1]+0.2*vu;
+ vb := Ve[e[i]p2]-0.2*vu;
+ a := cstr( va );
+ b := cstr( vb-va );
+ comm := "rigorousdisc( 0, true," & a & ",0.08," & b & ");";
+ getready( comm, 0.5[va,vb] );
+ endfor;
+ doitnow;
+endfig;
+
+end;