use <unittest.scad>;
use <helix_extrude.scad>;

module test_helix_extrude_same_radius() {
    echo("==== test_helix_extrude_same_radius ====");

    module test_helix_extrude(sections) {
        expected =  [[[45, 0.0795146, -1.99842], [45, -0.0795146, 1.99842], [44, -0.0795146, 1.99842], [44, 0, 0], [36, 0, 0], [36, -0.0795146, 1.99842], [35, -0.0795146, 1.99842], [35, 0.0795146, -1.99842]], [[44.0001, 9.4338, -1.66509], [44.0332, 9.27825, 2.33175], [43.055, 9.07034, 2.33175], [43.0385, 9.14811, 0.333333], [35.2133, 7.48482, 0.333333], [35.2298, 7.40704, 2.33175], [34.2517, 7.19913, 2.33175], [34.2186, 7.35469, -1.66509]], [[41.0772, 18.3758, -1.33175], [41.1419, 18.2305, 2.66509], [40.2283, 17.8238, 2.66509], [40.196, 17.8964, 0.666667], [32.8876, 14.6425, 0.666667], [32.92, 14.5699, 2.66509], [32.0064, 14.1631, 2.66509], [31.9417, 14.3084, -1.33175]], [[36.359, 26.5147, -0.998419], [36.4525, 26.386, 2.99842], [35.6435, 25.7982, 2.99842], [35.5967, 25.8626, 1], [29.1246, 21.1603, 1], [29.1713, 21.0959, 2.99842], [28.3623, 20.5082, 2.99842], [28.2689, 20.6368, -0.998419]], [[30.0518, 33.4947, -0.665085], [30.17, 33.3883, 3.33175], [29.5008, 32.6452, 3.33175], [29.4417, 32.6984, 1.33333], [24.0887, 26.7532, 1.33333], [24.1478, 26.7, 3.33175], [23.4787, 25.9569, 3.33175], [23.3605, 26.0633, -0.665085]], [[22.4311, 39.0109, -0.331752], [22.5689, 38.9314, 3.66509], [22.0689, 38.0654, 3.66509], [22, 38.1051, 1.66667], [18, 31.1769, 1.66667], [18.0689, 31.1372, 3.66509], [17.5689, 30.2711, 3.66509], [17.4311, 30.3506, -0.331752]], [[13.8301, 42.8221, 0.00158127], [13.9814, 42.773, 3.99842], [13.6724, 41.8219, 3.99842], [13.5967, 41.8465, 2], [11.1246, 34.238, 2], [11.2002, 34.2135, 3.99842], [10.8912, 33.2624, 3.99842], [10.74, 33.3115, 0.00158127]], [[4.6247, 44.7618, 0.334915], [4.78286, 44.7452, 4.33175], [4.67833, 43.7507, 4.33175], [4.59925, 43.759, 2.33333], [3.76302, 35.8028, 2.33333], [3.8421, 35.7945, 4.33175], [3.73758, 34.8, 4.33175], [3.57942, 34.8166, 0.334915]], [[-4.78286, 44.7452, 0.668248], [-4.6247, 44.7618, 4.66509], [-4.52017, 43.7673, 4.66509], [-4.59925, 43.759, 2.66667], [-3.76302, 35.8028, 2.66667], [-3.68395, 35.8111, 4.66509], [-3.57942, 34.8166, 4.66509], [-3.73758, 34.8, 0.668248]], [[-13.9814, 42.773, 1.00158], [-13.8301, 42.8221, 4.99842], [-13.5211, 41.8711, 4.99842], [-13.5967, 41.8465, 3], [-11.1246, 34.238, 3], [-11.049, 34.2626, 4.99842], [-10.74, 33.3115, 4.99842], [-10.8912, 33.2624, 1.00158]], [[-22.5689, 38.9314, 1.33491], [-22.4311, 39.0109, 5.33175], [-21.9311, 38.1449, 5.33175], [-22, 38.1051, 3.33333], [-18, 31.1769, 3.33333], [-17.9311, 31.2167, 5.33175], [-17.4311, 30.3506, 5.33175], [-17.5689, 30.2711, 1.33491]], [[-30.17, 33.3883, 1.66825], [-30.0518, 33.4947, 5.66509], [-29.3827, 32.7516, 5.66509], [-29.4417, 32.6984, 3.66667], [-24.0887, 26.7532, 3.66667], [-24.0296, 26.8064, 5.66509], [-23.3605, 26.0633, 5.66509], [-23.4787, 25.9569, 1.66825]], [[-36.4525, 26.386, 2.00158], [-36.359, 26.5147, 5.99842], [-35.55, 25.9269, 5.99842], [-35.5967, 25.8626, 4], [-29.1246, 21.1603, 4], [-29.0779, 21.2246, 5.99842], [-28.2689, 20.6368, 5.99842], [-28.3623, 20.5082, 2.00158]], [[-41.1419, 18.2305, 2.33491], [-41.0772, 18.3758, 6.33175], [-40.1637, 17.9691, 6.33175], [-40.196, 17.8964, 4.33333], [-32.8876, 14.6425, 4.33333], [-32.8553, 14.7152, 6.33175], [-31.9417, 14.3084, 6.33175], [-32.0064, 14.1631, 2.33491]], [[-44.0332, 9.27825, 2.66825], [-44.0001, 9.4338, 6.66509], [-43.022, 9.22589, 6.66509], [-43.0385, 9.14811, 4.66667], [-35.2133, 7.48482, 4.66667], [-35.1968, 7.5626, 6.66509], [-34.2186, 7.35469, 6.66509], [-34.2517, 7.19913, 2.66825]], [[-45, -0.0795146, 3.00158], [-45, 0.0795146, 6.99842], [-44, 0.0795146, 6.99842], [-44, 0, 5], [-36, 0, 5], [-36, 0.0795146, 6.99842], [-35, 0.0795146, 6.99842], [-35, -0.0795146, 3.00158]], [[-44.0001, -9.4338, 3.33491], [-44.0332, -9.27825, 7.33175], [-43.055, -9.07034, 7.33175], [-43.0385, -9.14811, 5.33333], [-35.2133, -7.48482, 5.33333], [-35.2298, -7.40704, 7.33175], [-34.2517, -7.19913, 7.33175], [-34.2186, -7.35469, 3.33491]], [[-41.0772, -18.3758, 3.66825], [-41.1419, -18.2305, 7.66509], [-40.2283, -17.8238, 7.66509], [-40.196, -17.8964, 5.66667], [-32.8876, -14.6425, 5.66667], [-32.92, -14.5699, 7.66509], [-32.0064, -14.1631, 7.66509], [-31.9417, -14.3084, 3.66825]], [[-36.359, -26.5147, 4.00158], [-36.4525, -26.386, 7.99842], [-35.6435, -25.7982, 7.99842], [-35.5967, -25.8626, 6], [-29.1246, -21.1603, 6], [-29.1713, -21.0959, 7.99842], [-28.3623, -20.5082, 7.99842], [-28.2689, -20.6368, 4.00158]], [[-30.0518, -33.4947, 4.33491], [-30.17, -33.3883, 8.33175], [-29.5008, -32.6452, 8.33175], [-29.4417, -32.6984, 6.33333], [-24.0887, -26.7532, 6.33333], [-24.1478, -26.7, 8.33175], [-23.4787, -25.9569, 8.33175], [-23.3605, -26.0633, 4.33491]], [[-22.4311, -39.0109, 4.66825], [-22.5689, -38.9314, 8.66509], [-22.0689, -38.0654, 8.66509], [-22, -38.1051, 6.66667], [-18, -31.1769, 6.66667], [-18.0689, -31.1372, 8.66509], [-17.5689, -30.2711, 8.66509], [-17.4311, -30.3506, 4.66825]], [[-13.8301, -42.8221, 5.00158], [-13.9814, -42.773, 8.99842], [-13.6724, -41.8219, 8.99842], [-13.5967, -41.8465, 7], [-11.1246, -34.238, 7], [-11.2002, -34.2135, 8.99842], [-10.8912, -33.2624, 8.99842], [-10.74, -33.3115, 5.00158]], [[-4.6247, -44.7618, 5.33491], [-4.78286, -44.7452, 9.33175], [-4.67833, -43.7507, 9.33175], [-4.59925, -43.759, 7.33333], [-3.76302, -35.8028, 7.33333], [-3.8421, -35.7945, 9.33175], [-3.73758, -34.8, 9.33175], [-3.57942, -34.8166, 5.33491]], [[4.78286, -44.7452, 5.66825], [4.6247, -44.7618, 9.66509], [4.52017, -43.7673, 9.66509], [4.59925, -43.759, 7.66667], [3.76302, -35.8028, 7.66667], [3.68395, -35.8111, 9.66509], [3.57942, -34.8166, 9.66509], [3.73758, -34.8, 5.66825]], [[13.9814, -42.773, 6.00158], [13.8301, -42.8221, 9.99842], [13.5211, -41.8711, 9.99842], [13.5967, -41.8465, 8], [11.1246, -34.238, 8], [11.049, -34.2626, 9.99842], [10.74, -33.3115, 9.99842], [10.8912, -33.2624, 6.00158]], [[22.5689, -38.9314, 6.33491], [22.4311, -39.0109, 10.3318], [21.9311, -38.1449, 10.3318], [22, -38.1051, 8.33333], [18, -31.1769, 8.33333], [17.9311, -31.2167, 10.3318], [17.4311, -30.3506, 10.3318], [17.5689, -30.2711, 6.33491]], [[30.17, -33.3883, 6.66825], [30.0518, -33.4947, 10.6651], [29.3827, -32.7516, 10.6651], [29.4417, -32.6984, 8.66667], [24.0887, -26.7532, 8.66667], [24.0296, -26.8064, 10.6651], [23.3605, -26.0633, 10.6651], [23.4787, -25.9569, 6.66825]], [[36.4525, -26.386, 7.00158], [36.359, -26.5147, 10.9984], [35.55, -25.9269, 10.9984], [35.5967, -25.8626, 9], [29.1246, -21.1603, 9], [29.0779, -21.2246, 10.9984], [28.2689, -20.6368, 10.9984], [28.3623, -20.5082, 7.00158]], [[41.1419, -18.2305, 7.33491], [41.0772, -18.3758, 11.3318], [40.1637, -17.9691, 11.3318], [40.196, -17.8964, 9.33333], [32.8876, -14.6425, 9.33333], [32.8553, -14.7152, 11.3318], [31.9417, -14.3084, 11.3318], [32.0064, -14.1631, 7.33491]], [[44.0332, -9.27825, 7.66825], [44.0001, -9.4338, 11.6651], [43.022, -9.22589, 11.6651], [43.0385, -9.14811, 9.66667], [35.2133, -7.48482, 9.66667], [35.1968, -7.5626, 11.6651], [34.2186, -7.35469, 11.6651], [34.2517, -7.19913, 7.66825]], [[45, 0.0795146, 8.00158], [45, -0.0795146, 11.9984], [44, -0.0795146, 11.9984], [44, 0, 10], [36, 0, 10], [36, -0.0795146, 11.9984], [35, -0.0795146, 11.9984], [35, 0.0795146, 8.00158]], [[44.0001, 9.4338, 8.33491], [44.0332, 9.27825, 12.3318], [43.055, 9.07034, 12.3318], [43.0385, 9.14811, 10.3333], [35.2133, 7.48482, 10.3333], [35.2298, 7.40704, 12.3318], [34.2517, 7.19913, 12.3318], [34.2186, 7.35469, 8.33491]], [[41.0772, 18.3758, 8.66825], [41.1419, 18.2305, 12.6651], [40.2283, 17.8238, 12.6651], [40.196, 17.8964, 10.6667], [32.8876, 14.6425, 10.6667], [32.92, 14.5699, 12.6651], [32.0064, 14.1631, 12.6651], [31.9417, 14.3084, 8.66825]], [[36.359, 26.5147, 9.00158], [36.4525, 26.386, 12.9984], [35.6435, 25.7982, 12.9984], [35.5967, 25.8626, 11], [29.1246, 21.1603, 11], [29.1713, 21.0959, 12.9984], [28.3623, 20.5082, 12.9984], [28.2689, 20.6368, 9.00158]], [[30.0518, 33.4947, 9.33491], [30.17, 33.3883, 13.3318], [29.5008, 32.6452, 13.3318], [29.4417, 32.6984, 11.3333], [24.0887, 26.7532, 11.3333], [24.1478, 26.7, 13.3318], [23.4787, 25.9569, 13.3318], [23.3605, 26.0633, 9.33491]], [[22.4311, 39.0109, 9.66825], [22.5689, 38.9314, 13.6651], [22.0689, 38.0654, 13.6651], [22, 38.1051, 11.6667], [18, 31.1769, 11.6667], [18.0689, 31.1372, 13.6651], [17.5689, 30.2711, 13.6651], [17.4311, 30.3506, 9.66825]], [[13.8301, 42.8221, 10.0016], [13.9814, 42.773, 13.9984], [13.6724, 41.8219, 13.9984], [13.5967, 41.8465, 12], [11.1246, 34.238, 12], [11.2002, 34.2135, 13.9984], [10.8912, 33.2624, 13.9984], [10.74, 33.3115, 10.0016]], [[4.6247, 44.7618, 10.3349], [4.78286, 44.7452, 14.3318], [4.67833, 43.7507, 14.3318], [4.59925, 43.759, 12.3333], [3.76302, 35.8028, 12.3333], [3.8421, 35.7945, 14.3318], [3.73758, 34.8, 14.3318], [3.57942, 34.8166, 10.3349]], [[-4.78286, 44.7452, 10.6682], [-4.6247, 44.7618, 14.6651], [-4.52017, 43.7673, 14.6651], [-4.59925, 43.759, 12.6667], [-3.76302, 35.8028, 12.6667], [-3.68395, 35.8111, 14.6651], [-3.57942, 34.8166, 14.6651], [-3.73758, 34.8, 10.6682]], [[-13.9814, 42.773, 11.0016], [-13.8301, 42.8221, 14.9984], [-13.5211, 41.8711, 14.9984], [-13.5967, 41.8465, 13], [-11.1246, 34.238, 13], [-11.049, 34.2626, 14.9984], [-10.74, 33.3115, 14.9984], [-10.8912, 33.2624, 11.0016]], [[-22.5689, 38.9314, 11.3349], [-22.4311, 39.0109, 15.3318], [-21.9311, 38.1449, 15.3318], [-22, 38.1051, 13.3333], [-18, 31.1769, 13.3333], [-17.9311, 31.2167, 15.3318], [-17.4311, 30.3506, 15.3318], [-17.5689, 30.2711, 11.3349]], [[-30.17, 33.3883, 11.6682], [-30.0518, 33.4947, 15.6651], [-29.3827, 32.7516, 15.6651], [-29.4417, 32.6984, 13.6667], [-24.0887, 26.7532, 13.6667], [-24.0296, 26.8064, 15.6651], [-23.3605, 26.0633, 15.6651], [-23.4787, 25.9569, 11.6682]], [[-36.4525, 26.386, 12.0016], [-36.359, 26.5147, 15.9984], [-35.55, 25.9269, 15.9984], [-35.5967, 25.8626, 14], [-29.1246, 21.1603, 14], [-29.0779, 21.2246, 15.9984], [-28.2689, 20.6368, 15.9984], [-28.3623, 20.5082, 12.0016]], [[-41.1419, 18.2305, 12.3349], [-41.0772, 18.3758, 16.3318], [-40.1637, 17.9691, 16.3318], [-40.196, 17.8964, 14.3333], [-32.8876, 14.6425, 14.3333], [-32.8553, 14.7152, 16.3318], [-31.9417, 14.3084, 16.3318], [-32.0064, 14.1631, 12.3349]], [[-44.0332, 9.27825, 12.6682], [-44.0001, 9.4338, 16.6651], [-43.022, 9.22589, 16.6651], [-43.0385, 9.14811, 14.6667], [-35.2133, 7.48482, 14.6667], [-35.1968, 7.5626, 16.6651], [-34.2186, 7.35469, 16.6651], [-34.2517, 7.19913, 12.6682]], [[-45, -0.0795146, 13.0016], [-45, 0.0795146, 16.9984], [-44, 0.0795146, 16.9984], [-44, 0, 15], [-36, 0, 15], [-36, 0.0795146, 16.9984], [-35, 0.0795146, 16.9984], [-35, -0.0795146, 13.0016]], [[-44.0001, -9.4338, 13.3349], [-44.0332, -9.27825, 17.3318], [-43.055, -9.07034, 17.3318], [-43.0385, -9.14811, 15.3333], [-35.2133, -7.48482, 15.3333], [-35.2298, -7.40704, 17.3318], [-34.2517, -7.19913, 17.3318], [-34.2186, -7.35469, 13.3349]], [[-41.0772, -18.3758, 13.6682], [-41.1419, -18.2305, 17.6651], [-40.2283, -17.8238, 17.6651], [-40.196, -17.8964, 15.6667], [-32.8876, -14.6425, 15.6667], [-32.92, -14.5699, 17.6651], [-32.0064, -14.1631, 17.6651], [-31.9417, -14.3084, 13.6682]], [[-36.359, -26.5147, 14.0016], [-36.4525, -26.386, 17.9984], [-35.6435, -25.7982, 17.9984], [-35.5967, -25.8626, 16], [-29.1246, -21.1603, 16], [-29.1713, -21.0959, 17.9984], [-28.3623, -20.5082, 17.9984], [-28.2689, -20.6368, 14.0016]], [[-30.0518, -33.4947, 14.3349], [-30.17, -33.3883, 18.3318], [-29.5008, -32.6452, 18.3318], [-29.4417, -32.6984, 16.3333], [-24.0887, -26.7532, 16.3333], [-24.1478, -26.7, 18.3318], [-23.4787, -25.9569, 18.3318], [-23.3605, -26.0633, 14.3349]], [[-22.4311, -39.0109, 14.6682], [-22.5689, -38.9314, 18.6651], [-22.0689, -38.0654, 18.6651], [-22, -38.1051, 16.6667], [-18, -31.1769, 16.6667], [-18.0689, -31.1372, 18.6651], [-17.5689, -30.2711, 18.6651], [-17.4311, -30.3506, 14.6682]], [[-13.8301, -42.8221, 15.0016], [-13.9814, -42.773, 18.9984], [-13.6724, -41.8219, 18.9984], [-13.5967, -41.8465, 17], [-11.1246, -34.238, 17], [-11.2002, -34.2135, 18.9984], [-10.8912, -33.2624, 18.9984], [-10.74, -33.3115, 15.0016]], [[-4.6247, -44.7618, 15.3349], [-4.78286, -44.7452, 19.3318], [-4.67833, -43.7507, 19.3318], [-4.59925, -43.759, 17.3333], [-3.76302, -35.8028, 17.3333], [-3.8421, -35.7945, 19.3318], [-3.73758, -34.8, 19.3318], [-3.57942, -34.8166, 15.3349]], [[4.78286, -44.7452, 15.6682], [4.6247, -44.7618, 19.6651], [4.52017, -43.7673, 19.6651], [4.59925, -43.759, 17.6667], [3.76302, -35.8028, 17.6667], [3.68395, -35.8111, 19.6651], [3.57942, -34.8166, 19.6651], [3.73758, -34.8, 15.6682]], [[13.9814, -42.773, 16.0016], [13.8301, -42.8221, 19.9984], [13.5211, -41.8711, 19.9984], [13.5967, -41.8465, 18], [11.1246, -34.238, 18], [11.049, -34.2626, 19.9984], [10.74, -33.3115, 19.9984], [10.8912, -33.2624, 16.0016]], [[22.5689, -38.9314, 16.3349], [22.4311, -39.0109, 20.3318], [21.9311, -38.1449, 20.3318], [22, -38.1051, 18.3333], [18, -31.1769, 18.3333], [17.9311, -31.2167, 20.3318], [17.4311, -30.3506, 20.3318], [17.5689, -30.2711, 16.3349]], [[30.17, -33.3883, 16.6682], [30.0518, -33.4947, 20.6651], [29.3827, -32.7516, 20.6651], [29.4417, -32.6984, 18.6667], [24.0887, -26.7532, 18.6667], [24.0296, -26.8064, 20.6651], [23.3605, -26.0633, 20.6651], [23.4787, -25.9569, 16.6682]], [[36.4525, -26.386, 17.0016], [36.359, -26.5147, 20.9984], [35.55, -25.9269, 20.9984], [35.5967, -25.8626, 19], [29.1246, -21.1603, 19], [29.0779, -21.2246, 20.9984], [28.2689, -20.6368, 20.9984], [28.3623, -20.5082, 17.0016]], [[41.1419, -18.2305, 17.3349], [41.0772, -18.3758, 21.3318], [40.1637, -17.9691, 21.3318], [40.196, -17.8964, 19.3333], [32.8876, -14.6425, 19.3333], [32.8553, -14.7152, 21.3318], [31.9417, -14.3084, 21.3318], [32.0064, -14.1631, 17.3349]], [[44.0332, -9.27825, 17.6682], [44.0001, -9.4338, 21.6651], [43.022, -9.22589, 21.6651], [43.0385, -9.14811, 19.6667], [35.2133, -7.48482, 19.6667], [35.1968, -7.5626, 21.6651], [34.2186, -7.35469, 21.6651], [34.2517, -7.19913, 17.6682]], 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-14.5699, 37.6651], [-32.0064, -14.1631, 37.6651], [-31.9417, -14.3084, 33.6682]], [[-36.359, -26.5147, 34.0016], [-36.4525, -26.386, 37.9984], [-35.6435, -25.7982, 37.9984], [-35.5967, -25.8626, 36], [-29.1246, -21.1603, 36], [-29.1713, -21.0959, 37.9984], [-28.3623, -20.5082, 37.9984], [-28.2689, -20.6368, 34.0016]], [[-30.0518, -33.4947, 34.3349], [-30.17, -33.3883, 38.3318], [-29.5008, -32.6452, 38.3318], [-29.4417, -32.6984, 36.3333], [-24.0887, -26.7532, 36.3333], [-24.1478, -26.7, 38.3318], [-23.4787, -25.9569, 38.3318], [-23.3605, -26.0633, 34.3349]], [[-22.4311, -39.0109, 34.6682], [-22.5689, -38.9314, 38.6651], [-22.0689, -38.0654, 38.6651], [-22, -38.1051, 36.6667], [-18, -31.1769, 36.6667], [-18.0689, -31.1372, 38.6651], [-17.5689, -30.2711, 38.6651], [-17.4311, -30.3506, 34.6682]], [[-13.8301, -42.8221, 35.0016], [-13.9814, -42.773, 38.9984], [-13.6724, -41.8219, 38.9984], [-13.5967, -41.8465, 37], [-11.1246, -34.238, 37], [-11.2002, -34.2135, 38.9984], [-10.8912, -33.2624, 38.9984], [-10.74, -33.3115, 35.0016]], [[-4.6247, -44.7618, 35.3349], [-4.78286, -44.7452, 39.3318], [-4.67833, -43.7507, 39.3318], [-4.59925, -43.759, 37.3333], [-3.76302, -35.8028, 37.3333], [-3.8421, -35.7945, 39.3318], [-3.73758, -34.8, 39.3318], [-3.57942, -34.8166, 35.3349]], [[4.78286, -44.7452, 35.6682], [4.6247, -44.7618, 39.6651], [4.52017, -43.7673, 39.6651], [4.59925, -43.759, 37.6667], [3.76302, -35.8028, 37.6667], [3.68395, -35.8111, 39.6651], [3.57942, -34.8166, 39.6651], [3.73758, -34.8, 35.6682]], [[13.9814, -42.773, 36.0016], [13.8301, -42.8221, 39.9984], [13.5211, -41.8711, 39.9984], [13.5967, -41.8465, 38], [11.1246, -34.238, 38], [11.049, -34.2626, 39.9984], [10.74, -33.3115, 39.9984], [10.8912, -33.2624, 36.0016]], [[22.5689, -38.9314, 36.3349], [22.4311, -39.0109, 40.3318], [21.9311, -38.1449, 40.3318], [22, -38.1051, 38.3333], [18, -31.1769, 38.3333], [17.9311, -31.2167, 40.3318], [17.4311, -30.3506, 40.3318], [17.5689, -30.2711, 36.3349]], [[30.17, -33.3883, 36.6682], [30.0518, -33.4947, 40.6651], [29.3827, -32.7516, 40.6651], [29.4417, -32.6984, 38.6667], [24.0887, -26.7532, 38.6667], [24.0296, -26.8064, 40.6651], [23.3605, -26.0633, 40.6651], [23.4787, -25.9569, 36.6682]], [[36.4525, -26.386, 37.0016], [36.359, -26.5147, 40.9984], [35.55, -25.9269, 40.9984], [35.5967, -25.8626, 39], [29.1246, -21.1603, 39], [29.0779, -21.2246, 40.9984], [28.2689, -20.6368, 40.9984], [28.3623, -20.5082, 37.0016]], [[41.1419, -18.2305, 37.3349], [41.0772, -18.3758, 41.3318], [40.1637, -17.9691, 41.3318], [40.196, -17.8964, 39.3333], [32.8876, -14.6425, 39.3333], [32.8553, -14.7152, 41.3318], [31.9417, -14.3084, 41.3318], [32.0064, -14.1631, 37.3349]], [[44.0332, -9.27825, 37.6682], [44.0001, -9.4338, 41.6651], [43.022, -9.22589, 41.6651], [43.0385, -9.14811, 39.6667], [35.2133, -7.48482, 39.6667], [35.1968, -7.5626, 41.6651], [34.2186, -7.35469, 41.6651], [34.2517, -7.19913, 37.6682]], [[45, 0.0795146, 38.0016], [45, -0.0795146, 41.9984], [44, -0.0795146, 41.9984], [44, 0, 40], [36, 0, 40], [36, -0.0795146, 41.9984], [35, -0.0795146, 41.9984], [35, 0.0795146, 38.0016]], [[44.0001, 9.4338, 38.3349], [44.0332, 9.27825, 42.3318], [43.055, 9.07034, 42.3318], [43.0385, 9.14811, 40.3333], [35.2133, 7.48482, 40.3333], [35.2298, 7.40704, 42.3318], [34.2517, 7.19913, 42.3318], [34.2186, 7.35469, 38.3349]], [[41.0772, 18.3758, 38.6682], [41.1419, 18.2305, 42.6651], [40.2283, 17.8238, 42.6651], [40.196, 17.8964, 40.6667], [32.8876, 14.6425, 40.6667], [32.92, 14.5699, 42.6651], [32.0064, 14.1631, 42.6651], [31.9417, 14.3084, 38.6682]], [[36.359, 26.5147, 39.0016], [36.4525, 26.386, 42.9984], [35.6435, 25.7982, 42.9984], [35.5967, 25.8626, 41], [29.1246, 21.1603, 41], [29.1713, 21.0959, 42.9984], [28.3623, 20.5082, 42.9984], [28.2689, 20.6368, 39.0016]], [[30.0518, 33.4947, 39.3349], [30.17, 33.3883, 43.3318], [29.5008, 32.6452, 43.3318], [29.4417, 32.6984, 41.3333], [24.0887, 26.7532, 41.3333], [24.1478, 26.7, 43.3318], [23.4787, 25.9569, 43.3318], [23.3605, 26.0633, 39.3349]], [[22.4311, 39.0109, 39.6682], [22.5689, 38.9314, 43.6651], [22.0689, 38.0654, 43.6651], [22, 38.1051, 41.6667], [18, 31.1769, 41.6667], [18.0689, 31.1372, 43.6651], [17.5689, 30.2711, 43.6651], [17.4311, 30.3506, 39.6682]], [[13.8301, 42.8221, 40.0016], [13.9814, 42.773, 43.9984], [13.6724, 41.8219, 43.9984], [13.5967, 41.8465, 42], [11.1246, 34.238, 42], [11.2002, 34.2135, 43.9984], [10.8912, 33.2624, 43.9984], [10.74, 33.3115, 40.0016]], [[4.6247, 44.7618, 40.3349], [4.78286, 44.7452, 44.3318], [4.67833, 43.7507, 44.3318], [4.59925, 43.759, 42.3333], [3.76302, 35.8028, 42.3333], [3.8421, 35.7945, 44.3318], [3.73758, 34.8, 44.3318], [3.57942, 34.8166, 40.3349]], [[-4.78286, 44.7452, 40.6682], [-4.6247, 44.7618, 44.6651], [-4.52017, 43.7673, 44.6651], [-4.59925, 43.759, 42.6667], [-3.76302, 35.8028, 42.6667], [-3.68395, 35.8111, 44.6651], [-3.57942, 34.8166, 44.6651], [-3.73758, 34.8, 40.6682]], [[-13.9814, 42.773, 41.0016], [-13.8301, 42.8221, 44.9984], [-13.5211, 41.8711, 44.9984], [-13.5967, 41.8465, 43], [-11.1246, 34.238, 43], [-11.049, 34.2626, 44.9984], [-10.74, 33.3115, 44.9984], [-10.8912, 33.2624, 41.0016]], [[-22.5689, 38.9314, 41.3349], [-22.4311, 39.0109, 45.3318], [-21.9311, 38.1449, 45.3318], [-22, 38.1051, 43.3333], [-18, 31.1769, 43.3333], [-17.9311, 31.2167, 45.3318], [-17.4311, 30.3506, 45.3318], [-17.5689, 30.2711, 41.3349]], [[-30.17, 33.3883, 41.6682], [-30.0518, 33.4947, 45.6651], [-29.3827, 32.7516, 45.6651], [-29.4417, 32.6984, 43.6667], [-24.0887, 26.7532, 43.6667], [-24.0296, 26.8064, 45.6651], [-23.3605, 26.0633, 45.6651], [-23.4787, 25.9569, 41.6682]], [[-36.4525, 26.386, 42.0016], [-36.359, 26.5147, 45.9984], [-35.55, 25.9269, 45.9984], [-35.5967, 25.8626, 44], [-29.1246, 21.1603, 44], [-29.0779, 21.2246, 45.9984], [-28.2689, 20.6368, 45.9984], [-28.3623, 20.5082, 42.0016]], [[-41.1419, 18.2305, 42.3349], [-41.0772, 18.3758, 46.3318], [-40.1637, 17.9691, 46.3318], [-40.196, 17.8964, 44.3333], [-32.8876, 14.6425, 44.3333], [-32.8553, 14.7152, 46.3318], [-31.9417, 14.3084, 46.3318], [-32.0064, 14.1631, 42.3349]], [[-44.0332, 9.27825, 42.6682], [-44.0001, 9.4338, 46.6651], [-43.022, 9.22589, 46.6651], [-43.0385, 9.14811, 44.6667], [-35.2133, 7.48482, 44.6667], [-35.1968, 7.5626, 46.6651], [-34.2186, 7.35469, 46.6651], [-34.2517, 7.19913, 42.6682]], [[-45, -0.0795146, 43.0016], [-45, 0.0795146, 46.9984], [-44, 0.0795146, 46.9984], [-44, 0, 45], [-36, 0, 45], [-36, 0.0795146, 46.9984], [-35, 0.0795146, 46.9984], [-35, -0.0795146, 43.0016]], [[-44.0001, -9.4338, 43.3349], [-44.0332, -9.27825, 47.3318], [-43.055, -9.07034, 47.3318], [-43.0385, -9.14811, 45.3333], [-35.2133, -7.48482, 45.3333], [-35.2298, -7.40704, 47.3318], [-34.2517, -7.19913, 47.3318], [-34.2186, -7.35469, 43.3349]], [[-41.0772, -18.3758, 43.6682], [-41.1419, -18.2305, 47.6651], [-40.2283, -17.8238, 47.6651], [-40.196, -17.8964, 45.6667], [-32.8876, -14.6425, 45.6667], [-32.92, -14.5699, 47.6651], [-32.0064, -14.1631, 47.6651], [-31.9417, -14.3084, 43.6682]], [[-36.359, -26.5147, 44.0016], [-36.4525, -26.386, 47.9984], [-35.6435, -25.7982, 47.9984], [-35.5967, -25.8626, 46], [-29.1246, -21.1603, 46], [-29.1713, -21.0959, 47.9984], [-28.3623, -20.5082, 47.9984], [-28.2689, -20.6368, 44.0016]], [[-30.0518, -33.4947, 44.3349], [-30.17, -33.3883, 48.3318], [-29.5008, -32.6452, 48.3318], [-29.4417, -32.6984, 46.3333], [-24.0887, -26.7532, 46.3333], [-24.1478, -26.7, 48.3318], [-23.4787, -25.9569, 48.3318], [-23.3605, -26.0633, 44.3349]], [[-22.4311, -39.0109, 44.6682], [-22.5689, -38.9314, 48.6651], [-22.0689, -38.0654, 48.6651], [-22, -38.1051, 46.6667], [-18, -31.1769, 46.6667], [-18.0689, -31.1372, 48.6651], [-17.5689, -30.2711, 48.6651], [-17.4311, -30.3506, 44.6682]], [[-13.8301, -42.8221, 45.0016], [-13.9814, -42.773, 48.9984], [-13.6724, -41.8219, 48.9984], [-13.5967, -41.8465, 47], [-11.1246, -34.238, 47], [-11.2002, -34.2135, 48.9984], [-10.8912, -33.2624, 48.9984], [-10.74, -33.3115, 45.0016]], [[-4.6247, -44.7618, 45.3349], [-4.78286, -44.7452, 49.3318], [-4.67833, -43.7507, 49.3318], [-4.59925, -43.759, 47.3333], [-3.76302, -35.8028, 47.3333], [-3.8421, -35.7945, 49.3318], [-3.73758, -34.8, 49.3318], [-3.57942, -34.8166, 45.3349]], [[4.78286, -44.7452, 45.6682], [4.6247, -44.7618, 49.6651], [4.52017, -43.7673, 49.6651], [4.59925, -43.759, 47.6667], [3.76302, -35.8028, 47.6667], [3.68395, -35.8111, 49.6651], [3.57942, -34.8166, 49.6651], [3.73758, -34.8, 45.6682]], [[13.9814, -42.773, 46.0016], [13.8301, -42.8221, 49.9984], [13.5211, -41.8711, 49.9984], [13.5967, -41.8465, 48], [11.1246, -34.238, 48], [11.049, -34.2626, 49.9984], [10.74, -33.3115, 49.9984], [10.8912, -33.2624, 46.0016]], [[22.5689, -38.9314, 46.3349], [22.4311, -39.0109, 50.3318], [21.9311, -38.1449, 50.3318], [22, -38.1051, 48.3333], [18, -31.1769, 48.3333], [17.9311, -31.2167, 50.3318], [17.4311, -30.3506, 50.3318], [17.5689, -30.2711, 46.3349]], [[30.17, -33.3883, 46.6682], [30.0518, -33.4947, 50.6651], [29.3827, -32.7516, 50.6651], [29.4417, -32.6984, 48.6667], [24.0887, -26.7532, 48.6667], [24.0296, -26.8064, 50.6651], [23.3605, -26.0633, 50.6651], [23.4787, -25.9569, 46.6682]], [[36.4525, -26.386, 47.0016], [36.359, -26.5147, 50.9984], [35.55, -25.9269, 50.9984], [35.5967, -25.8626, 49], [29.1246, -21.1603, 49], [29.0779, -21.2246, 50.9984], [28.2689, -20.6368, 50.9984], [28.3623, -20.5082, 47.0016]], [[41.1419, -18.2305, 47.3349], [41.0772, -18.3758, 51.3318], [40.1637, -17.9691, 51.3318], [40.196, -17.8964, 49.3333], [32.8876, -14.6425, 49.3333], [32.8553, -14.7152, 51.3318], [31.9417, -14.3084, 51.3318], [32.0064, -14.1631, 47.3349]], [[44.0332, -9.27825, 47.6682], [44.0001, -9.4338, 51.6651], [43.022, -9.22589, 51.6651], [43.0385, -9.14811, 49.6667], [35.2133, -7.48482, 49.6667], [35.1968, -7.5626, 51.6651], [34.2186, -7.35469, 51.6651], [34.2517, -7.19913, 47.6682]], [[45, 0.0795146, 48.0016], [45, -0.0795146, 51.9984], [44, -0.0795146, 51.9984], [44, 0, 50], [36, 0, 50], [36, -0.0795146, 51.9984], [35, -0.0795146, 51.9984], [35, 0.0795146, 48.0016]]];    
    
        for(i = [0:len(expected) - 1]) {
            assertEqualPoints(expected[i], sections[i]);
        }
    }    
    

    shape_pts = [
        [5, -2],
        [5, 2], 
        [4, 2],
        [4, 0],
        [-4, 0],
        [-4, 2],    
        [-5, 2],    
        [-5, -2]
    ];

    helix_extrude(shape_pts, 
        radius = 40, 
        levels = 5, 
        level_dist = 10,
        vt_dir = "SPI_UP"
    );

}

test_helix_extrude_same_radius();