From 69808c3b12cb6a8409eb5499d5c2700f22a084f3 Mon Sep 17 00:00:00 2001
From: Lukas Matena <lukasmatena@seznam.cz>
Date: Sun, 4 Feb 2024 01:08:36 +0100
Subject: [PATCH] Fixed arrange which put the wipe tower slightly out of bed
 (#11367, #11410, SPE-1966)

---
 src/slic3r/GUI/3DScene.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/slic3r/GUI/3DScene.cpp b/src/slic3r/GUI/3DScene.cpp
index 9b08bc07b22..db588574a72 100644
--- a/src/slic3r/GUI/3DScene.cpp
+++ b/src/slic3r/GUI/3DScene.cpp
@@ -506,6 +506,15 @@ int GLVolumeCollection::load_wipe_tower_preview(
     if (height == 0.0f)
         height = 0.1f;
 
+    // Because the GLVolume is also used for arrangement, it must be safely larger
+    // than the actual extruded tower, otherwise the arranged tower ends up out of bed.
+    float offset = 0.3;
+    pos_x -= offset;
+    pos_y -= offset;
+    width += 2.f * offset;
+    depth += 2.f * offset;
+    brim_width += offset;
+
     static const float brim_height = 0.2f;
 //    const float scaled_brim_height = brim_height / height;