From d46ee7822f2d6ef5a8aa1db4b0cb5a95098cff88 Mon Sep 17 00:00:00 2001
From: enricoturri1966 <enricoturri@seznam.cz>
Date: Tue, 28 Feb 2023 15:16:49 +0100
Subject: [PATCH] Fixed assert introduced with
 33496449645c8d2a1f2bd8cfb651862a86682385

---
 src/slic3r/GUI/Plater.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 6b9df9217e..e04b05033b 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -2683,7 +2683,8 @@ std::vector<size_t> Plater::priv::load_files(const std::vector<fs::path>& input_
                         instance->set_offset(-model_object->origin_translation);
                     }
                 }
-                model_object->ensure_on_bed(is_project_file);
+                if (!model_object->instances.empty())
+                  model_object->ensure_on_bed(is_project_file);
             }
 
             if (one_by_one) {