group() {
	difference() {
		intersection() {
			multmatrix([[1, 0, 0, -25], [0, 1, 0, -25], [0, 0, 1, -25], [0, 0, 0, 1]]) {
				linear_extrude(height = 50, center = false, convexity = 3, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2) {
					import(file = "example008.dxf", layer = "G", origin = [0, 0], scale = 1, convexity = 1, $fn = 0, $fa = 12, $fs = 2);
				}
			}
			multmatrix([[1, 0, 0, 0], [0, 0, -1, 0], [0, 1, 0, 0], [0, 0, 0, 1]]) {
				multmatrix([[1, 0, 0, -25], [0, 1, 0, -125], [0, 0, 1, -25], [0, 0, 0, 1]]) {
					linear_extrude(height = 50, center = false, convexity = 3, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2) {
						import(file = "example008.dxf", layer = "E", origin = [0, 0], scale = 1, convexity = 1, $fn = 0, $fa = 12, $fs = 2);
					}
				}
			}
			multmatrix([[0, 0, 1, 0], [0, 1, 0, 0], [-1, 0, 0, 0], [0, 0, 0, 1]]) {
				multmatrix([[1, 0, 0, -125], [0, 1, 0, -125], [0, 0, 1, -25], [0, 0, 0, 1]]) {
					linear_extrude(height = 50, center = false, convexity = 3, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2) {
						import(file = "example008.dxf", layer = "B", origin = [0, 0], scale = 1, convexity = 1, $fn = 0, $fa = 12, $fs = 2);
					}
				}
			}
		}
		intersection() {
			multmatrix([[1, 0, 0, -125], [0, 1, 0, -25], [0, 0, 1, -26], [0, 0, 0, 1]]) {
				linear_extrude(height = 52, center = false, convexity = 1, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2) {
					import(file = "example008.dxf", layer = "X", origin = [0, 0], scale = 1, convexity = 1, $fn = 0, $fa = 12, $fs = 2);
				}
			}
			multmatrix([[0, 0, 1, 0], [0, 1, 0, 0], [-1, 0, 0, 0], [0, 0, 0, 1]]) {
				multmatrix([[1, 0, 0, -125], [0, 1, 0, -25], [0, 0, 1, -26], [0, 0, 0, 1]]) {
					linear_extrude(height = 52, center = false, convexity = 1, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2) {
						import(file = "example008.dxf", layer = "X", origin = [0, 0], scale = 1, convexity = 1, $fn = 0, $fa = 12, $fs = 2);
					}
				}
			}
		}
	}
}