7.321 -7.321' },
              { id: 'U5', spot: '0 0 7.321 7.321' },
              { id: 'U7', spot: '1 0 -7.321 7.321' }
            ]
          }

          // Example M-F connector pipes
          /*
                  {
                    key: 107, //angle: 90,
                    geo: "F1 M0 0 L5 0, 5 10, 15 10, 15 0, 20 0, 20 40, 0 40z",
                    ports: [
                      { id: "F6", spot: "0.5 0 0 10.5" },
                      { id: "U2", spot: "0.5 1 0 -0.5" }
                    ]