DISPLAY {
    L0 = top
}
DISPLAY {
    L0 = top
    L1 = drill
}
DISPLAY {
    L0 = top
    L1 = drill
    L2 = smt
}
DISPLAY {
    L0 = top
    L1 = ly2-gnd1
    L2 = drill
}
DISPLAY {
    L0 = top
    L1 = outline
}
