From c438e564c0e8c5ff7f1e4557446da3b9dc9d4059 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20=C5=A0ach?= <martin.sachin@gmail.com>
Date: Thu, 23 Jan 2025 12:36:25 +0100
Subject: [PATCH] Fix SPE-2650: Respect z offset for wipe tower first layer

Wipe tower bases its position on current writer position.
It was not properly set on the first layer.
---
 src/libslic3r/GCode.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index fcb8d1ea77..b427ea82f2 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -2994,6 +2994,10 @@ std::string GCodeGenerator::change_layer(
             Vec3d position{this->writer().get_position()};
             position.z() = print_z;
             this->writer().update_position(position);
+        } else {
+            Vec3d position{this->writer().get_position()};
+            position.z() = position.z() + m_config.z_offset;
+            this->writer().update_position(position);
         }
     }