digraph{
  layout=dot
  bgcolor="#FFFFFF"
  nodesep=0.5

  // Nodes
  node [
      shape=none
      fontcolor="#000000"
      fontsize=15
      fontname="Helvetica"
]
  node [
      shape=none
      fontcolor="#000000"
      fontsize=15
      fontname="Helvetica"
]
  1 [label=<<table
        border="0"
        cellborder="1"
        cellspacing="0"
        bgcolor="#FFFFFF"
        color="#000000"
        cellpadding="4"
    >
        <tr>
            <td bgcolor="#FFFFFF" colspan="2">
                <font
                    color="#000000"
                    point-size="18"
                >CLIENT</font>
            </td>
        </tr>
        <tr><td>PK</td><td align="left">Réf. client</td></tr>
        <tr><td> </td><td align="left">Nom</td></tr>
        <tr><td> </td><td align="left">Prénom</td></tr>
        <tr><td> </td><td align="left">Adresse</td></tr>
        <tr><td> </td><td align="left">Mail</td></tr>
    </table>
>]
  2 [label=<<table
        border="0"
        cellborder="1"
        cellspacing="0"
        bgcolor="#FFFFFF"
        color="#000000"
        cellpadding="4"
    >
        <tr>
            <td bgcolor="#FFFFFF" colspan="2">
                <font
                    color="#000000"
                    point-size="18"
                >FOO</font>
            </td>
        </tr>
        <tr><td>PK</td><td align="left">foo</td></tr>
        <tr><td> </td><td align="left">bar</td></tr>
        <tr><td> </td><td align="left">biz</td></tr>
        <tr><td> </td><td align="left">buz</td></tr>
        <tr><td> </td><td align="left">qux</td></tr>
        <tr><td> </td><td align="left">quux</td></tr>
    </table>
>]
  3 [label=<<table
        border="0"
        cellborder="1"
        cellspacing="0"
        bgcolor="#FFFFFF"
        color="#000000"
        cellpadding="4"
    >
        <tr>
            <td bgcolor="#FFFFFF" colspan="2">
                <font
                    color="#000000"
                    point-size="18"
                >UTILISER</font>
            </td>
        </tr>
        <tr><td>PK</td><td align="left">carnet</td></tr>
        <tr><td>PK</td><td align="left">projet</td></tr>
        <tr><td> </td><td align="left">technicien</td></tr>
    </table>
>]

  // Edges
  edge [
    penwidth=1
    color="#000000"
    fontcolor="#000000"
    fontname="Futura"
    fontsize=11
    dir=both
  ]
}