\begin{tikzpicture}

    \draw[
        fill,
        kit-gray30
    ] (0.2,0) -- (0.2,3) -- (2.2,2) -- cycle;

    \draw[
        fill,
        kit-gray70
    ] (0,0) -- (0,3) -- (2,2) -- cycle;

    \def\xoffset{14}
    \def\yoffset{2.5}


    \draw[
        fill,
        kit-gray100
    ]
    (1 + \xoffset,0 + \yoffset)
    -- (1 + \xoffset,0.2 + \yoffset)
    -- (0.85 + \xoffset,0.15 + \yoffset)
    -- (0.85 + \xoffset,0.4 + \yoffset)
    -- (1 + \xoffset,0.35 + \yoffset)
    -- (1 + \xoffset,0.5 + \yoffset)
    -- (2 + \xoffset,0.5 + \yoffset)
    -- (2 + \xoffset,0 + \yoffset)
    -- cycle;

    \foreach \y in {0,0.25,...,3}
    \draw[kit-blue100] (0.85 + \xoffset, 0.25 + \yoffset) -- (0,\y);
\end{tikzpicture}