diff --git a/egui/src/layout.rs b/egui/src/layout.rs
index ad674212..23c01797 100644
--- a/egui/src/layout.rs
+++ b/egui/src/layout.rs
@@ -506,21 +506,23 @@ impl Layout {
 
         let align;
 
+        let l = 64.0;
+
         match self.main_dir {
             Direction::LeftToRight => {
-                painter.debug_arrow(cursor, vec2(1.0, 0.0), stroke);
+                painter.arrow(cursor, vec2(l, 0.0), stroke);
                 align = (Align::Min, Align::Min);
             }
             Direction::RightToLeft => {
-                painter.debug_arrow(cursor, vec2(-1.0, 0.0), stroke);
+                painter.arrow(cursor, vec2(-l, 0.0), stroke);
                 align = (Align::Max, Align::Min);
             }
             Direction::TopDown => {
-                painter.debug_arrow(cursor, vec2(0.0, 1.0), stroke);
+                painter.arrow(cursor, vec2(0.0, l), stroke);
                 align = (Align::Min, Align::Min);
             }
             Direction::BottomUp => {
-                painter.debug_arrow(cursor, vec2(0.0, -1.0), stroke);
+                painter.arrow(cursor, vec2(0.0, -l), stroke);
                 align = (Align::Min, Align::Max);
             }
         }
diff --git a/egui/src/painter.rs b/egui/src/painter.rs
index dd2372d0..f5e88783 100644
--- a/egui/src/painter.rs
+++ b/egui/src/painter.rs
@@ -152,18 +152,6 @@ impl Painter {
         self.galley(rect.min, galley, text_style, color::RED);
         frame_rect
     }
-
-    pub fn debug_arrow(&self, origin: Pos2, dir: Vec2, stroke: Stroke) {
-        use crate::math::*;
-        let full_length = dir.length().at_least(64.0);
-        let tip_length = full_length / 3.0;
-        let dir = dir.normalized();
-        let tip = origin + dir * full_length;
-        let rot = Rot2::from_angle(TAU / 10.0);
-        self.line_segment([origin, tip], stroke);
-        self.line_segment([tip, tip - tip_length * (rot * dir)], stroke);
-        self.line_segment([tip, tip - tip_length * (rot.inverse() * dir)], stroke);
-    }
 }
 
 /// # Paint different primitives
@@ -240,6 +228,18 @@ impl Painter {
             stroke: stroke.into(),
         });
     }
+
+    /// Show an arrow starting at `origin` and going in the direction of `vec`, with the length `vec.length()`.
+    pub fn arrow(&self, origin: Pos2, vec: Vec2, stroke: Stroke) {
+        use crate::math::*;
+        let rot = Rot2::from_angle(TAU / 10.0);
+        let tip_length = vec.length() / 4.0;
+        let tip = origin + vec;
+        let dir = vec.normalized();
+        self.line_segment([origin, tip], stroke);
+        self.line_segment([tip, tip - tip_length * (rot * dir)], stroke);
+        self.line_segment([tip, tip - tip_length * (rot.inverse() * dir)], stroke);
+    }
 }
 
 /// ## Text