group() { group(); color([1, 0, 0, 1]) { rotate_extrude(convexity = 2, $fn = 0, $fa = 12, $fs = 2) { multmatrix([[1, 0, 0, 10], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) { square(size = [5, 5], center = false); } } } color([0, 1, 1, 1]) { multmatrix([[1, 0, 0, 40], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, 1]]) { rotate_extrude(convexity = 2, $fn = 80, $fa = 12, $fs = 2) { text(text = " J", size = 10, spacing = 1, font = "", direction = "ltr", language = "en", script = "Latn", halign = "left", valign = "baseline", $fn = 80, $fa = 12, $fs = 2); } } } color([0, 0.501961, 0, 1]) { multmatrix([[1, 0, 0, 0], [0, 1, 0, 30], [0, 0, 1, 0], [0, 0, 0, 1]]) { rotate_extrude(convexity = 2, $fn = 80, $fa = 12, $fs = 2) { polygon(points = [[0, 0], [8, 4], [4, 8], [4, 12], [12, 16], [0, 20]], paths = undef, convexity = 1); } } } }