linkage![
.define_param("raise hand", 0.5)
.define_param("bend elbow", 0.5)
.define_param("close hand", 0.0)
.define_param("lower arm", 0.5)
.define_param("spin whole arm", 0.5)
.define_param("spin hand", 0.5)
.yaw_param("spin whole arm", 180.0, -180.0)
.pen_color(Rgb888::new(0, 139, 139))
.pen_width(0.15)
.up(2.5)
.pitch_param("lower arm", -30.0, 0.0)
.forward(3.0)
.yaw_param("bend elbow", 90.0, -90.0)
.forward(3.0)
.pitch_param("raise hand", 90.0, -90.0)
.forward(1.0)
.roll_param("spin hand", -180.0, 180.0)
.forward(0.5)
.mark("wrist")
.yaw(90.0)
.forward_param("close hand", 0.5, 0.0)
.left(-1.0)
.restore("wrist")
.yaw(-90.0)
.forward_param("close hand", 0.5, 0.0)
.left(1.0)
.restore("wrist")
.pen_up()
.forward(0.25)
.pen_down()
]