Each line contains an x, y, z value for a control point. Each set of 16 lines are the 4x4 matrix of control points for one patch. 0.850000 0.000000 0.863037 0.850000 0.195999 0.863037 0.696000 0.350000 0.863037 0.500000 0.350000 0.863037 0.834375 0.000000 0.895020 0.834375 0.187250 0.895020 0.687250 0.334379 0.895020 0.500000 0.334379 0.895020 0.859375 0.000000 0.895020 0.859375 0.201250 0.895020 0.701250 0.359381 0.895020 0.500000 0.359381 0.895020 0.875000 0.000000 0.863037 0.875000 0.209999 0.863037 0.710000 0.375000 0.863037 0.500000 0.375000 0.863037 0.500000 0.350000 0.863037 0.304000 0.350000 0.863037 0.150000 0.195999 0.863037 0.150000 0.000000 0.863037 0.500000 0.334379 0.895020 0.312750 0.334379 0.895020 0.165625 0.187250 0.895020 0.165625 0.000000 0.895020 0.500000 0.359381 0.895020 0.298750 0.359381 0.895020 0.140625 0.201250 0.895020 0.140625 0.000000 0.895020 0.500000 0.375000 0.863037 0.290000 0.375000 0.863037 0.125000 0.209999 0.863037 0.125000 0.000000 0.863037 0.150000 0.000000 0.863037 0.150000 -0.195999 0.863037 0.304000 -0.350000 0.863037 0.500000 -0.350000 0.863037 0.165625 0.000000 0.895020 0.165625 -0.187250 0.895020 0.312750 -0.334379 0.895020 0.500000 -0.334379 0.895020 0.140625 0.000000 0.895020 0.140625 -0.201250 0.895020 0.298750 -0.359369 0.895020 0.500000 -0.359369 0.895020 0.125000 0.000000 0.863037 0.125000 -0.209999 0.863037 0.290000 -0.375000 0.863037 0.500000 -0.375000 0.863037 0.500000 -0.350000 0.863037 0.696000 -0.350000 0.863037 0.850000 -0.195999 0.863037 0.850000 0.000000 0.863037 0.500000 -0.334379 0.895020 0.687250 -0.334379 0.895020 0.834375 -0.187250 0.895020 0.834375 0.000000 0.895020 0.500000 -0.359369 0.895020 0.701250 -0.359369 0.895020 0.859375 -0.201250 0.895020 0.859375 0.000000 0.895020 0.500000 -0.375000 0.863037 0.710000 -0.375000 0.863037 0.875000 -0.209999 0.863037 0.875000 0.000000 0.863037 0.875000 0.000000 0.863037 0.875000 0.209999 0.863037 0.710000 0.375000 0.863037 0.500000 0.375000 0.863037 0.937500 0.000000 0.730957 0.937500 0.245001 0.730957 0.745000 0.437500 0.730957 0.500000 0.437500 0.730957 1.000000 0.000000 0.600098 1.000000 0.280001 0.600098 0.780000 0.500000 0.600098 0.500000 0.500000 0.600098 1.000000 0.000000 0.488037 1.000000 0.280001 0.488037 0.780000 0.500000 0.488037 0.500000 0.500000 0.488037 0.500000 0.375000 0.863037 0.290000 0.375000 0.863037 0.125000 0.209999 0.863037 0.125000 0.000000 0.863037 0.500000 0.437500 0.730957 0.255000 0.437500 0.730957 0.062500 0.245001 0.730957 0.062500 0.000000 0.730957 0.500000 0.500000 0.600098 0.220000 0.500000 0.600098 0.000000 0.280001 0.600098 0.000000 0.000000 0.600098 0.500000 0.500000 0.488037 0.220000 0.500000 0.488037 0.000000 0.280001 0.488037 0.000000 0.000000 0.488037 0.125000 0.000000 0.863037 0.125000 -0.209999 0.863037 0.290000 -0.375000 0.863037 0.500000 -0.375000 0.863037 0.062500 0.000000 0.730957 0.062500 -0.245001 0.730957 0.255000 -0.437500 0.730957 0.500000 -0.437500 0.730957 0.000000 0.000000 0.600098 0.000000 -0.280001 0.600098 0.220000 -0.500000 0.600098 0.500000 -0.500000 0.600098 0.000000 0.000000 0.488037 0.000000 -0.280001 0.488037 0.220000 -0.500000 0.488037 0.500000 -0.500000 0.488037 0.500000 -0.375000 0.863037 0.710000 -0.375000 0.863037 0.875000 -0.209999 0.863037 0.875000 0.000000 0.863037 0.500000 -0.437500 0.730957 0.745000 -0.437500 0.730957 0.937500 -0.245001 0.730957 0.937500 0.000000 0.730957 0.500000 -0.500000 0.600098 0.780000 -0.500000 0.600098 1.000000 -0.280001 0.600098 1.000000 0.000000 0.600098 0.500000 -0.500000 0.488037 0.780000 -0.500000 0.488037 1.000000 -0.280001 0.488037 1.000000 0.000000 0.488037 1.000000 0.000000 0.488037 1.000000 0.280001 0.488037 0.780000 0.500000 0.488037 0.500000 0.500000 0.488037 1.000000 0.000000 0.375000 1.000000 0.280001 0.375000 0.780000 0.500000 0.375000 0.500000 0.500000 0.375000 0.875000 0.000000 0.319092 0.875000 0.209999 0.319092 0.710000 0.375000 0.319092 0.500000 0.375000 0.319092 0.875000 0.000000 0.300049 0.875000 0.209999 0.300049 0.710000 0.375000 0.300049 0.500000 0.375000 0.300049 0.500000 0.500000 0.488037 0.220000 0.500000 0.488037 0.000000 0.280001 0.488037 0.000000 0.000000 0.488037 0.500000 0.500000 0.375000 0.220000 0.500000 0.375000 0.000000 0.280001 0.375000 0.000000 0.000000 0.375000 0.500000 0.375000 0.319092 0.290000 0.375000 0.319092 0.125000 0.209999 0.319092 0.125000 0.000000 0.319092 0.500000 0.375000 0.300049 0.290000 0.375000 0.300049 0.125000 0.209999 0.300049 0.125000 0.000000 0.300049 0.000000 0.000000 0.488037 0.000000 -0.280001 0.488037 0.220000 -0.500000 0.488037 0.500000 -0.500000 0.488037 0.000000 0.000000 0.375000 0.000000 -0.280001 0.375000 0.220000 -0.500000 0.375000 0.500000 -0.500000 0.375000 0.125000 0.000000 0.319092 0.125000 -0.209999 0.319092 0.290000 -0.375000 0.319092 0.500000 -0.375000 0.319092 0.125000 0.000000 0.300049 0.125000 -0.209999 0.300049 0.290000 -0.375000 0.300049 0.500000 -0.375000 0.300049 0.500000 -0.500000 0.488037 0.780000 -0.500000 0.488037 1.000000 -0.280001 0.488037 1.000000 0.000000 0.488037 0.500000 -0.500000 0.375000 0.780000 -0.500000 0.375000 1.000000 -0.280001 0.375000 1.000000 0.000000 0.375000 0.500000 -0.375000 0.319092 0.710000 -0.375000 0.319092 0.875000 -0.209999 0.319092 0.875000 0.000000 0.319092 0.500000 -0.375000 0.300049 0.710000 -0.375000 0.300049 0.875000 -0.209999 0.300049 0.875000 0.000000 0.300049 0.100000 0.000000 0.769043 0.100000 0.075001 0.769043 0.125000 0.075001 0.824951 0.125000 0.000000 0.824951 -0.075000 0.000000 0.769043 -0.075000 0.075001 0.769043 -0.125000 0.075001 0.824951 -0.125000 0.000000 0.824951 -0.175000 0.000000 0.769043 -0.175000 0.075001 0.769043 -0.250000 0.075001 0.824951 -0.250000 0.000000 0.824951 -0.175000 0.000000 0.712891 -0.175000 0.075001 0.712891 -0.250000 0.075001 0.712891 -0.250000 0.000000 0.712891 0.125000 0.000000 0.824951 0.125000 -0.075001 0.824951 0.100000 -0.075001 0.769043 0.100000 0.000000 0.769043 -0.125000 0.000000 0.824951 -0.125000 -0.075001 0.824951 -0.075000 -0.075001 0.769043 -0.075000 0.000000 0.769043 -0.250000 0.000000 0.824951 -0.250000 -0.075001 0.824951 -0.175000 -0.075001 0.769043 -0.175000 0.000000 0.769043 -0.250000 0.000000 0.712891 -0.250000 -0.075001 0.712891 -0.175000 -0.075001 0.712891 -0.175000 0.000000 0.712891 -0.175000 0.000000 0.712891 -0.175000 0.075001 0.712891 -0.250000 0.075001 0.712891 -0.250000 0.000000 0.712891 -0.175000 0.000000 0.656006 -0.175000 0.075001 0.656006 -0.250000 0.075001 0.600098 -0.250000 0.000000 0.600098 -0.125000 0.000000 0.543945 -0.125000 0.075001 0.543945 -0.162500 0.075001 0.497070 -0.162500 0.000000 0.497070 0.000000 0.000000 0.488037 0.000000 0.075001 0.488037 0.025000 0.075001 0.413086 0.025000 0.000000 0.413086 -0.250000 0.000000 0.712891 -0.250000 -0.075001 0.712891 -0.175000 -0.075001 0.712891 -0.175000 0.000000 0.712891 -0.250000 0.000000 0.600098 -0.250000 -0.075001 0.600098 -0.175000 -0.075001 0.656006 -0.175000 0.000000 0.656006 -0.162500 0.000000 0.497070 -0.162500 -0.075001 0.497070 -0.125000 -0.075001 0.543945 -0.125000 0.000000 0.543945 0.025000 0.000000 0.413086 0.025000 -0.075001 0.413086 0.000000 -0.075001 0.488037 0.000000 0.000000 0.488037 0.925000 0.000000 0.618896 0.925000 0.165001 0.618896 0.925000 0.165001 0.413086 0.925000 0.000000 0.413086 1.150000 0.000000 0.618896 1.150000 0.165001 0.618896 1.275000 0.165001 0.468994 1.275000 0.000000 0.468994 1.075000 0.000000 0.788086 1.075000 0.062500 0.788086 1.100000 0.062500 0.769043 1.100000 0.000000 0.769043 1.175000 0.000000 0.863037 1.175000 0.062500 0.863037 1.325000 0.062500 0.863037 1.325000 0.000000 0.863037 0.925000 0.000000 0.413086 0.925000 -0.165001 0.413086 0.925000 -0.165001 0.618896 0.925000 0.000000 0.618896 1.275000 0.000000 0.468994 1.275000 -0.165001 0.468994 1.150000 -0.165001 0.618896 1.150000 0.000000 0.618896 1.100000 0.000000 0.769043 1.100000 -0.062500 0.769043 1.075000 -0.062500 0.788086 1.075000 0.000000 0.788086 1.325000 0.000000 0.863037 1.325000 -0.062500 0.863037 1.175000 -0.062500 0.863037 1.175000 0.000000 0.863037 1.175000 0.000000 0.863037 1.175000 0.062500 0.863037 1.325000 0.062500 0.863037 1.325000 0.000000 0.863037 1.200000 0.000000 0.881104 1.200000 0.062500 0.881104 1.381250 0.062500 0.885986 1.381250 0.000000 0.885986 1.225000 0.000000 0.881104 1.225000 0.037500 0.881104 1.362500 0.037500 0.891113 1.362500 0.000000 0.891113 1.200000 0.000000 0.863037 1.200000 0.037500 0.863037 1.300000 0.037500 0.863037 1.300000 0.000000 0.863037 1.325000 0.000000 0.863037 1.325000 -0.062500 0.863037 1.175000 -0.062500 0.863037 1.175000 0.000000 0.863037 1.381250 0.000000 0.885986 1.381250 -0.062500 0.885986 1.200000 -0.062500 0.881104 1.200000 0.000000 0.881104 1.362500 0.000000 0.891113 1.362500 -0.037500 0.891113 1.225000 -0.037500 0.881104 1.225000 0.000000 0.881104 1.300000 0.000000 0.863037 1.300000 -0.037500 0.863037 1.200000 -0.037500 0.863037 1.200000 0.000000 0.863037 0.500000 0.000000 1.050049 0.500000 0.000000 1.050049 0.500000 0.000000 1.050049 0.500000 0.000000 1.050049 0.700000 0.000000 1.050049 0.700000 0.112499 1.050049 0.612500 0.200001 1.050049 0.500000 0.200001 1.050049 0.500000 0.000000 0.975098 0.500000 0.000000 0.975098 0.500000 0.000000 0.975098 0.500000 0.000000 0.975098 0.550000 0.000000 0.937988 0.550000 0.028000 0.937988 0.528000 0.049999 0.937988 0.500000 0.049999 0.937988 0.500000 0.000000 1.050049 0.500000 0.000000 1.050049 0.500000 0.000000 1.050049 0.500000 0.000000 1.050049 0.500000 0.200001 1.050049 0.387500 0.200001 1.050049 0.300000 0.112499 1.050049 0.300000 0.000000 1.050049 0.500000 0.000000 0.975098 0.500000 0.000000 0.975098 0.500000 0.000000 0.975098 0.500000 0.000000 0.975098 0.500000 0.049999 0.937988 0.472000 0.049999 0.937988 0.450000 0.028000 0.937988 0.450000 0.000000 0.937988 0.500000 0.000000 1.050049 0.500000 -0.000000 1.050049 0.500000 0.000000 1.050049 0.500000 0.000000 1.050049 0.300000 0.000000 1.050049 0.300000 -0.112499 1.050049 0.387500 -0.200001 1.050049 0.500000 -0.200001 1.050049 0.500000 0.000000 0.975098 0.500000 0.000000 0.975098 0.500000 0.000000 0.975098 0.500000 0.000000 0.975098 0.450000 0.000000 0.937988 0.450000 -0.028000 0.937988 0.472000 -0.049999 0.937988 0.500000 -0.049999 0.937988 0.500000 0.000000 1.050049 0.500000 0.000000 1.050049 0.500000 -0.000000 1.050049 0.500000 0.000000 1.050049 0.500000 -0.200001 1.050049 0.612500 -0.200001 1.050049 0.700000 -0.112499 1.050049 0.700000 0.000000 1.050049 0.500000 0.000000 0.975098 0.500000 0.000000 0.975098 0.500000 0.000000 0.975098 0.500000 0.000000 0.975098 0.500000 -0.049999 0.937988 0.528000 -0.049999 0.937988 0.550000 -0.028000 0.937988 0.550000 0.000000 0.937988 0.550000 0.000000 0.937988 0.550000 0.028000 0.937988 0.528000 0.049999 0.937988 0.500000 0.049999 0.937988 0.600000 0.000000 0.899902 0.600000 0.056000 0.899902 0.556000 0.100000 0.899902 0.500000 0.100000 0.899902 0.825000 0.000000 0.899902 0.825000 0.181999 0.899902 0.682000 0.325001 0.899902 0.500000 0.325001 0.899902 0.825000 0.000000 0.863037 0.825000 0.181999 0.863037 0.682000 0.325001 0.863037 0.500000 0.325001 0.863037 0.500000 0.049999 0.937988 0.472000 0.049999 0.937988 0.450000 0.028000 0.937988 0.450000 0.000000 0.937988 0.500000 0.100000 0.899902 0.444000 0.100000 0.899902 0.400000 0.056000 0.899902 0.400000 0.000000 0.899902 0.500000 0.325001 0.899902 0.318000 0.325001 0.899902 0.175000 0.181999 0.899902 0.175000 0.000000 0.899902 0.500000 0.325001 0.863037 0.318000 0.325001 0.863037 0.175000 0.181999 0.863037 0.175000 0.000000 0.863037 0.450000 0.000000 0.937988 0.450000 -0.028000 0.937988 0.472000 -0.049999 0.937988 0.500000 -0.049999 0.937988 0.400000 0.000000 0.899902 0.400000 -0.056000 0.899902 0.444000 -0.100000 0.899902 0.500000 -0.100000 0.899902 0.175000 0.000000 0.899902 0.175000 -0.181999 0.899902 0.318000 -0.325001 0.899902 0.500000 -0.325001 0.899902 0.175000 0.000000 0.863037 0.175000 -0.181999 0.863037 0.318000 -0.325001 0.863037 0.500000 -0.325001 0.863037 0.500000 -0.049999 0.937988 0.528000 -0.049999 0.937988 0.550000 -0.028000 0.937988 0.550000 0.000000 0.937988 0.500000 -0.100000 0.899902 0.556000 -0.100000 0.899902 0.600000 -0.056000 0.899902 0.600000 0.000000 0.899902 0.500000 -0.325001 0.899902 0.682000 -0.325001 0.899902 0.825000 -0.181999 0.899902 0.825000 0.000000 0.899902 0.500000 -0.325001 0.863037 0.682000 -0.325001 0.863037 0.825000 -0.181999 0.863037 0.825000 0.000000 0.863037