diff --git a/src/bin/flat.rs b/src/bin/flat.rs
index 7501058..3087d0d 100644
--- a/src/bin/flat.rs
+++ b/src/bin/flat.rs
@@ -36,6 +36,7 @@ pub fn main() {
 			draw_fan_2(gc, &space, vec2(0.0, -0.5 * tube.internal_halflength), vec2(1.0, 1.0), 1.0);
 			draw_track(gc, &space, vec2(-500.0, 0.0), vec2(1.0, 0.2));
 			draw_track(gc, &space, vec2(-500.0, 0.0), vec2(1.0, 0.5));
+			draw_track(gc, &space, vec2(-0.5 * tube.inner_radius, -1.25 * tube.external_halflength), vec2(0.1, 1.0));
 		});
 	});
 }