From 1477767aa78eefd351072c033d50d170b140c119 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Mon, 28 Apr 2025 00:38:26 +0100
Subject: [PATCH] toolbox-inserts: rails, improve demo

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 toolbox-inserts.scad | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/toolbox-inserts.scad b/toolbox-inserts.scad
index 71db9e4..1cbf7d6 100644
--- a/toolbox-inserts.scad
+++ b/toolbox-inserts.scad
@@ -352,6 +352,9 @@ module WellSurroundGapElevationDemo() { ////toplevel
 }
 
 module RailMountElevationDemo() { ////toplevel
+  color("blue")  translate([0,0, -10])
+    rectfromto([ -20, -below_plane_z ],
+	       [  20, 0 ]);
   color("yellow") translate([0,0, -5]) RailMountCutoutElevation();
   color("purple") translate([0,0,  5]) RailMountPositiveElevation();
 }
-- 
2.30.2