From 77548df00ff24ef9aae0b5808876b7ac0ec7db17 Mon Sep 17 00:00:00 2001
From: enricoturri1966 <enricoturri@seznam.cz>
Date: Wed, 27 Oct 2021 14:33:02 +0200
Subject: [PATCH] Fixed missing sinking property in objects list for multipart
 objects with a part completely below the printbed

---
 src/slic3r/GUI/GLCanvas3D.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 4af16fc1d..18618e930 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -3895,7 +3895,7 @@ void GLCanvas3D::update_sequential_clearance()
 bool GLCanvas3D::is_object_sinking(int object_idx) const
 {
     for (const GLVolume* v : m_volumes.volumes) {
-        if (v->object_idx() == object_idx && v->is_sinking())
+        if (v->object_idx() == object_idx && (v->is_sinking() || (!v->is_modifier && v->is_below_printbed())))
             return true;
     }
     return false;