documentclass[border=5mm]{standalone}


usepackage{tikz}
usetikzlibrary{calc}
usetikzlibrary{backgrounds} % For testing with "framed" option to look at the bounding box
usepackage{pgfplots}
pgfplotsset{compat=1.10}
usepgfplotslibrary{fillbetween}
usetikzlibrary{patterns}
pgfplotsset{ticks=none}

begin{document}

begin{tikzpicture}[hatched/.style = {pattern=north west lines, opacity=0.3}, scale=4]
        begin{scope}
            draw[line width=0.2cm] (0, 0) -- (2, 0) -- (2, 1) -- (1, 1) -- (1, 2) -- (2, 2) -- (2, 3) -- (0, 3) -- cycle;
            fill[red] (0, 0) -- (2, 0) -- (2, 1) -- (1, 1) -- (1, 2) -- (2, 2) -- (2, 3) -- (0, 3) -- cycle;
        end{scope}

        begin{scope}[xshift=1cm, yshift=3cm]
            draw[line width=0.2cm] (0, 0) -- (2, 0) -- (2, 1) -- (1, 1) -- (1, 2) -- (2, 2) -- (2, 3) -- (0, 3) -- cycle;
            fill[red] (0, 0) -- (2, 0) -- (2, 1) -- (1, 1) -- (1, 2) -- (2, 2) -- (2, 3) -- (0, 3) -- cycle;
        end{scope}

        begin{scope}[xshift=2cm, yshift=6cm]
            draw[line width=0.2cm] (0, 0) -- (2, 0) -- (2, 1) -- (1, 1) -- (1, 2) -- (2, 2) -- (2, 3) -- (0, 3) -- cycle;
            fill[red] (0, 0) -- (2, 0) -- (2, 1) -- (1, 1) -- (1, 2) -- (2, 2) -- (2, 3) -- (0, 3) -- cycle;
        end{scope}

    end{tikzpicture}
end{document}