\begin{tikzpicture}
  % right triangle
  \foreach \x in {1,...,35}{
      \draw[very thick, color = couleur-ecole-recto] (14.015,6.4+\x*4.128/35-0.025) -- (\paperwidth,4.428+\x*4.128/35-0.025);
    }
  \fill[white] (14,6.4) -- (14,8.556) -- (14, 10.8) -- (\paperwidth, 10.8) -- (\paperwidth, 8.556) -- cycle;

  % middle triangle
  \foreach \x in {1,...,35}{
      \draw[very thick, color = couleur-ecole-recto] (7.02,10.528 +\x*4.128/35-0.025) -- (14,8.556+\x*4.128/35-0.025);
    }
  \fill[white] (7,10.528) rectangle (14.02, 17);
  \fill[white] (13.995,8.56) rectangle (14.1, 13);
  \shade[shading=axis, top color = white, path fading = south] (7,8.556) rectangle (14,10.54);

  % filled hexagon
  \fill[couleur-ecole-recto, fill opacity = 1] (-1,0) -- (-1,12.7817142857) -- (14,8.556) -- (14,6.4) -- (\paperwidth,4.4281) -- (\paperwidth,0) -- cycle;

  %points
  \input{0-front/cover/cover-points}
  \shade[shading=axis, top color = white, path fading = south] (14,8.556) rectangle (\paperwidth,10);
\end{tikzpicture}