1algebraic3d 2 3solid p1 = plane (0.5, 0, 0; 1, 0, 0); 4 5# since surfaces of both bricks are identic they get the same bc id: 6solid brick1 = orthobrick (0,0,0; 1,1,1) and p1 -bc=1; 7solid brick2 = orthobrick (0,0,-1; 1,1,0) and p1 -bc=2; 8 9 10tlo brick1; 11tlo brick2; 12 13# override bc number: 14# all faces of solid p1 belonging to the boundary of tlo brick1 get bc=3 15 16boundarycondition p1 brick1 3; 17