Cardboard

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <path d="M7.5 7.5h497v497H7.5z" fill="#f3a451" />
    <path d="M30.989 481.011V7.5H7.5v497h497v-23.489z" fill="#e3994b" />
    <path
        d="M166 7.5v151.04l29.998 26 29.998-26 30 26 29.998-26 30.003 26 30.003-26V7.5z"
        fill="#5b92f2"
    />
    <path
        d="m346 127.646-30.003 26-30.003-26-29.998 26-30-26-29.998 26-7.498-6.498V7.5H166v151.04l29.998 26 29.998-26 30 26 29.998-26 30.003 26 30.003-26z"
        fill="#006dee"
    />
    <path
        d="M38.596 31v15M68.851 31v15"
        fill="none"
        stroke="#fff"
        stroke-width="15"
        stroke-miterlimit="10"
    />
    <path d="M323.532 383.516h135v75.016h-135z" fill="#fef2e2" />
    <path
        d="M345.489 436.574v-53.058h-21.957v75.016h135v-21.958z"
        fill="#ffe1ba"
    />
    <path
        d="M7.5 226V7.5h497v497H7.5V241"
        fill="none"
        stroke="#000"
        stroke-width="15"
        stroke-miterlimit="10"
    />
    <path
        d="M346 7.5v151.04l-30.003 26-30.003-26-29.998 26-30-26-29.998 26-29.998-26V7.5M188.5 38.5h15M218.5 38.5H346M421 383.516h37.532v75.016h-135v-75.016H406"
        fill="none"
        stroke="#000"
        stroke-width="15"
        stroke-miterlimit="10"
    />
</svg>