// Air around
{
    [Box: x=0 y=0 z=0 dx=600 dy=600 dz=600]
    rho = -1000
}
{
    [Cylinder: x=0 y=0 z=0 r=166.5 l=166.5 axis(0,0,1)]
    rho = 1000
}

// External water rods: from top (y=256,x=0) and clockwise
{
    [Cylinder: x=0 y=128 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 1000
}
{
    [Cylinder: x=128 y=0 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 1000
}
{
    [Cylinder: x=0 y=-128 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 1000
}
{
    [Cylinder: x=-128 y=0 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 1000
}

// External rods: from top (y=128,x=0) and clockwise
{
    [Cylinder: x=38.7 y=92.9 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 1240.0   // IB Inner Bone
}
{
    [Cylinder: x=92.9 y=38.7 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 1120.0   // Acrylic (From CTP404)
}
{
    [Cylinder: x=92.9 y=-38.7 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 1250.0   // B200 Bone Mineral
}
{
    [Cylinder: x=38.7 y=-92.9 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 1490.0   // CB2 - 30% CaCO3
}
{
    [Cylinder: x=-38.7 y=-92.9 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 1095.0   // CB4 Resin
}
{
    [Cylinder: x=-92.9 y=-38.7 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 310.0    // LN-300 Lung
}
{
    [Cylinder: x=-92.9 y=38.7 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 900.0    // Polyethylene (From CTP404 LDPE)
}
{
    [Cylinder: x=-38.7 y=92.9 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 440.0    // LN-450 Lung
}

{
    [Cylinder: x=0 y=54.8 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 993.0    // CB3 Resin
}
{
    [Cylinder: x=38.7 y=38.7 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 1180.0   // CB2 - 10% CaCO3
}
{
    [Cylinder: x=54.8 y=0 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 900.0    // AP6 Adipose
}
{
    [Cylinder: x=38.7 y=-38.7 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 1085.0   // LV1 Liver
}
{
    [Cylinder: x=0 y=-54.8 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 1008.0   // BRN-SR2 Brain
}
{
    [Cylinder: x=-38.7 y=-38.7 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 1895.0   // CB2 - 50% CaCO3
}
{
    [Cylinder: x=-54.8 y=0 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 2380.0   // SB3 Cortical Bone
}
{
    [Cylinder: x=-38.7 y=38.7 z=0 r=14.24 l=14.24 axis(0,0,1)]
    rho = 950.0    // BR-SR1 Breast
}