gate_height = 50; sq_poly = [ [sqrt(2), sqrt(2)], [-sqrt(2), sqrt(2)], [-sqrt(2), -sqrt(2)], [sqrt(2), -sqrt(2)] ]; function scale_xy_z(m, xy, z) = [ for (i = [0 : len(m) - 1]) [m[i].x * xy, m[i].y * xy, z]]; function throw_end(throw) = gate_height * tan(throw); function throw_points(shape, throw) = concat([[0,0,0]],scale_xy_z(shape, throw_end(throw), gate_height)); module shape_gate (shape, throw, shaft_r, sharpness = 1) { } //echo(concat([[0,0,0]],scale_xy_z(sq_poly, 3, 3))); echo(throw_points(sq_poly, 15));