buf = 15; well = 5; Point(1) = {-200, 0, 0, 5}; Point(2) = {-20, 0, 0, 1.0}; Point(3) = {-buf, 0, 0, 1.0}; Point(4) = {-well, 0, 0, 0.1}; Point(5) = {well, 0, 0, 0.1}; Point(6) = {buf, 0, 0, 1.0}; Point(7) = {20, 0, 0, 1.0}; Point(8) = {200, 0, 0, 5}; Line (1) = {1, 2}; Line (2) = {2, 3}; Line (3) = {3, 4}; Line (4) = {4, 5}; Line (5) = {5, 6}; Line (6) = {6, 7}; Line (7) = {7, 8}; Physical Point ("cathode") = {1}; Physical Line ("nside") = {1}; Physical Line ("buffer_classical") = {2,6}; Physical Line ("buffer_quantum") = {3,5}; Physical Line ("well") = {4}; Physical Line ("pside") = {7}; Physical Point ("anode") = {8};