bottom

{
    label = "Glass Door Bottom",
    shapes={
        {1,1,13,15,16,15,texture="chisel:blocks/glass/terrain-glassbubble",state=false},
        {0,0,12,1,16,16,texture="chisel:blocks/iron/terrain-iron-simple-side",state=false},
        {0,0,12,16,1,16,texture="chisel:blocks/iron/terrain-iron-simple-side",state=false},
        {15,0,12,16,16,16,texture="chisel:blocks/iron/terrain-iron-simple-side",state=false},
        {1,1,1,3,16,15,texture="chisel:blocks/glass/terrain-glassbubble",state=true},
        {0,0,15,4,16,16,texture="chisel:blocks/iron/terrain-iron-simple-side",state=true},
        {0,0,0,4,1,16,texture="chisel:blocks/iron/terrain-iron-simple-side",state=true},
        {0,0,0,4,16,1,texture="chisel:blocks/iron/terrain-iron-simple-side",state=true},
    }
}