Merge "inlet.stl";
Merge "outlet.stl";
Merge "wall.stl";

CreateTopology;

Compound Surface (100) = {1};
Compound Surface (200) = {2};
Compound Surface (300) = {3};

Physical Surface (1) = {100};
Physical Surface (2) = {200};
Physical Surface (3) = {300};

Surface Loop (1) = {100, 200, 300};
Volume (1) = {1};
Physical Volume (4) = {1};
