From 0b3243155109c9c946ddc818919efb9099aa9ff6 Mon Sep 17 00:00:00 2001
From: Scott Lahteine <sourcetree@thinkyhead.com>
Date: Thu, 26 Mar 2015 16:20:23 -0700
Subject: [PATCH] Remove abs() from planeNormal.z

---
 Marlin/Marlin_main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Marlin/Marlin_main.cpp b/Marlin/Marlin_main.cpp
index 36156a3d2..47a4a7908 100644
--- a/Marlin/Marlin_main.cpp
+++ b/Marlin/Marlin_main.cpp
@@ -1114,7 +1114,7 @@ static void set_bed_level_equation_3pts(float z_at_pt_1, float z_at_pt_2, float
     vector_3 from_2_to_1 = (pt1 - pt2).get_normal();
     vector_3 from_2_to_3 = (pt3 - pt2).get_normal();
     vector_3 planeNormal = vector_3::cross(from_2_to_1, from_2_to_3).get_normal();
-    planeNormal = vector_3(planeNormal.x, planeNormal.y, abs(planeNormal.z));
+    planeNormal = vector_3(planeNormal.x, planeNormal.y, planeNormal.z);
 
     plan_bed_level_matrix = matrix_3x3::create_look_at(planeNormal);