group() {
	group() {
		linear_extrude(height = 100, center = false, convexity = 1, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2) {
			import(file = "localfiles_dir/localfile.dxf", layer = "", origin = [0, 0], scale = 1, convexity = 1, $fn = 0, $fa = 12, $fs = 2);
		}
		multmatrix([[1, 0, 0, -250], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			linear_extrude(file = "localfiles_dir/localfile.dxf", layer = "", origin = [0, 0], height = 100, center = false, convexity = 1, scale = [1, 1], $fn = 0, $fa = 12, $fs = 2);
		}
		multmatrix([[1, 0, 0, 0], [0, 1, 0, 350], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			rotate_extrude(file = "localfiles_dir/localfile.dxf", layer = "", origin = [0, 0], scale = 1, convexity = 1, $fn = 0, $fa = 12, $fs = 2);
		}
		multmatrix([[1, 0, 0, 250], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			multmatrix([[200, 0, 0, 0], [0, 200, 0, 0], [0, 0, 50, 0], [0, 0, 0, 1]]) {
				surface(file = "localfiles_dir/localfile.dat", center = false);
			}
		}
		multmatrix([[1, 0, 0, 0], [0, 1, 0, -200], [0, 0, 1, 0], [0, 0, 0, 1]]) {
			sphere($fn = 0, $fa = 12, $fs = 2, r = 100);
		}
	}
}