# 线段示例
# 格式：{x,y,z}-{x,y,z}

# 坐标轴
{0,0,0}-{100,0,0}
{0,0,0}-{0,100,0}
{0,0,0}-{0,0,100}

# 立方体
{50,50,50}-{150,50,50}
{150,50,50}-{150,150,50}
{150,150,50}-{50,150,50}
{50,150,50}-{50,50,50}

{50,50,150}-{150,50,150}
{150,50,150}-{150,150,150}
{150,150,150}-{50,150,150}
{50,150,150}-{50,50,150}

{50,50,50}-{50,50,150}
{150,50,50}-{150,50,150}
{150,150,50}-{150,150,150}
{50,150,50}-{50,150,150}
