version…

test_two_element.geo
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			h = 2;

			Point(1) = {-1, -1, 0, h};
			Point(2) = {0, -1, 0, h};
			Point(3) = {0, 0, 0, h};
			Point(4) = {-1, 0, 0, h};

			Point(7) = {0, 1, 0, h};
			Point(8) = {-1, 1, 0, h};


			Line(1) = {1, 2};
			Line(2) = {2, 3};
			Line(3) = {3, 4};
			Line(4) = {4, 1};

			Line(7) = {3, 7};
			Line(8) = {7, 8};
			Line(9) = {8, 4};

			Line Loop(1) = {3, 4, 1, 2};
			Line Loop(2) = {7, 8, 9, -3};


			Plane Surface(1) = {1};
			Physical Surface("plate") = {1};


			Plane Surface(2) = {2};
			Physical Surface("rigid") = {2};

			Transfinite Line {1, 2, 3, 4, 7, 8, 9} = 2 Using Progression 1;

			//Transfinite Surface {1} = {1, 2, 3, 4};
			//Transfinite Surface {2} = {7, 8, 9, -3};

			Recombine Surface{1, 2};g