source of the filing cabinet

\documentclass{article}
\usepackage[T1]{fontenc}
\usepackage[pdftex,active,tightpage]{preview}
\usepackage{tikz}
\usepackage{kpfonts}
\PreviewEnvironment{tikzpicture}
\newcounter{row}
\newcounter{col}

\newcommand\setrow[9]{
  \setcounter{col}{1}
  \foreach \n in {#1, #2, #3, #4, #5, #6, #7, #8, #9} {
    \edef\x{\value{col} - 0.5}
    \edef\y{9.5 - \value{row}}
    \node[anchor=center,scale=0.4] at (\x, \y) {\n};
    \stepcounter{col}
  }
  \stepcounter{row}
}

\begin{document}
\begin{tikzpicture}[scale=0.5]

  \begin{scope}
    \draw[thin] (0, 0) grid (9, 9);
    \draw[thick, scale=3] (0, 0) grid (3, 3);

    \setcounter{row}{1}
    \setrow {1}{2}{3}  {4}{5}{6}  {7}{8}{9}
    \setrow {10}{11}{12}  {13}{14}{15}  {16}{17}{18}
    \setrow {19}{20}{21}  {22}{23}{24}  {25}{26}{27}

    \setrow {28}{29}{30}  {31}{32}{33}  {34}{35}{36}
    \setrow {37}{38}{39}  {40}{41}{42}  {43}{44}{45}
    \setrow {46}{47}{48}  {49}{50}{51}  {52}{53}{54}

    \setrow {55}{56}{57}  {58}{59}{60}  {61}{62}{63}
    \setrow {64}{65}{66}  {67}{68}{69}  {70}{71}{72}
    \setrow {73}{74}{75}  {76}{77}{78}  {79}{80}{81}

  \end{scope}

  \draw (0,10) -- (9,10) node [midway,fill=white,scale=0.35] {LENGTH OF HEAD};
  \draw (0,9.85) -- (0,10);
  \draw (9,9.85) -- (9,10);

  \draw (0,9.75) -- (3,9.75) node [midway,fill=white,scale=0.35] {SMALL};
  \draw (0,9.6) -- (0,9.75);
  \draw (3,9.6) -- (3,9.75);

  \draw (3,9.75) -- (6,9.75) node [midway,fill=white,scale=0.35] {MEDIUM};
  \draw (6,9.6) -- (6,9.75);

  \draw (6,9.75) -- (9,9.75) node [midway,fill=white,scale=0.35] {LARGE};
  \draw (9,9.6) -- (9,9.75);

  \draw (0,9.5) -- (3,9.5) node [midway,fill=white,scale=0.25] {WIDTH OF RIGHT EAR};
  \draw (0,9.35) -- (0,9.5);
  \draw (3,9.35) -- (3,9.5);

  \draw (0,9.25) -- (1,9.25) node [midway,fill=white,scale=0.25] {SMALL};
  \draw (0,9.1) -- (0,9.25);
  \draw (1,9.1) -- (1,9.25);

  \draw (1,9.25) -- (2,9.25) node [midway,fill=white,scale=0.25] {MED};
  \draw (2,9.1) -- (2,9.25);

  \draw (2,9.25) -- (3,9.25) node [midway,fill=white,scale=0.25] {LARGE};
  \draw (3,9.1) -- (3,9.25);

  \draw (3,9.5) -- (6,9.5) node [midway,fill=white,scale=0.25] {WIDTH OF RIGHT EAR};
  \draw (6,9.35) -- (6,9.5);

  \draw (3,9.25) -- (4,9.25) node [midway,fill=white,scale=0.25] {SMALL};
  \draw (4,9.1) -- (4,9.25);

  \draw (4,9.25) -- (5,9.25) node [midway,fill=white,scale=0.25] {MED};
  \draw (5,9.1) -- (5,9.25);

  \draw (5,9.25) -- (6,9.25) node [midway,fill=white,scale=0.25] {LARGE};
  \draw (6,9.1) -- (6,9.25);

  \draw (6,9.5) -- (9,9.5) node [midway,fill=white,scale=0.25] {WIDTH OF RIGHT EAR};
  \draw (9,9.35) -- (9,9.5);

  \draw (6,9.25) -- (7,9.25) node [midway,fill=white,scale=0.25] {SMALL};
  \draw (7,9.1) -- (7,9.25);

  \draw (7,9.25) -- (8,9.25) node [midway,fill=white,scale=0.25] {MED};
  \draw (8,9.1) -- (8,9.25);

  \draw (8,9.25) -- (9,9.25) node [midway,fill=white,scale=0.25] {LARGE};
  \draw (9,9.1) -- (9,9.25);

    \draw (9.75,6) -- (9.75,3) node [rotate=-90,midway,fill=white,scale=0.35] {MEDIUM};
    \draw (9.6,3) -- (9.75,3);

  \draw (10,9) -- (10,0) node [rotate=-90,midway,fill=white,scale=0.35] {BREADTH OF HEAD};
  \draw (9.85,9) -- (10,9);
  \draw (9.85,0) -- (10,0);

  \draw (9.75,9) -- (9.75,6) node [rotate=-90,midway,fill=white,scale=0.35] {SMALL};
  \draw (9.6,9) -- (9.75,9);
  \draw (9.6,6) -- (9.75,6);



  \draw (9.75,3) -- (9.75,0) node [rotate=-90,midway,fill=white,scale=0.35] {LARGE};
  \draw (9.6,0) -- (9.75,0);

  \draw (9.5,9) -- (9.5,6) node [rotate=-90,midway,fill=white,scale=0.25] {INDEX FINGER LENGTH};
  \draw (9.35,9) -- (9.5,9);
  \draw (9.35,6) -- (9.5,6);

  \draw (9.5,6) -- (9.5,3) node [rotate=-90,midway,fill=white,scale=0.25] {INDEX FINGER LENGTH};
  \draw (9.35,3) -- (9.5,3);

  \draw (9.5,3) -- (9.5,0) node [rotate=-90,midway,fill=white,scale=0.25] {INDEX FINGER LENGTH};
  \draw (9.35,0) -- (9.5,0);

  \draw (9.25,9) -- (9.25,8) node [rotate=-90,midway,fill=white,scale=0.25] {SMALL};
  \draw (9.1,9) -- (9.25,9);
  \draw (9.1,8) -- (9.25,8);

  \draw (9.25,8) -- (9.25,7) node [rotate=-90,midway,fill=white,scale=0.25] {MED};
  \draw (9.1,7) -- (9.25,7);

  \draw (9.25,7) -- (9.25,6) node [rotate=-90,midway,fill=white,scale=0.25] {LARGE};
  \draw (9.1,6) -- (9.25,6);

  \draw (9.25,6) -- (9.25,5) node [rotate=-90,midway,fill=white,scale=0.25] {SMALL};
  \draw (9.1,5) -- (9.25,5);

  \draw (9.25,5) -- (9.25,4) node [rotate=-90,midway,fill=white,scale=0.25] {MED};
  \draw (9.1,4) -- (9.25,4);

  \draw (9.25,4) -- (9.25,3) node [rotate=-90,midway,fill=white,scale=0.25] {LARGE};
  \draw (9.1,3) -- (9.25,3);

  \draw (9.25,3) -- (9.25,2) node [rotate=-90,midway,fill=white,scale=0.25] {SMALL};
  \draw (9.1,2) -- (9.25,2);

  \draw (9.25,2) -- (9.25,1) node [rotate=-90,midway,fill=white,scale=0.25] {MED};
  \draw (9.1,1) -- (9.25,1);

  \draw (9.25,1) -- (9.25,0) node [rotate=-90,midway,fill=white,scale=0.25] {LARGE};
  \draw (9.1,0) -- (9.25,0);

\end{tikzpicture}
\end{document}