diff --git a/src/GUI/Plater.cpp b/src/GUI/Plater.cpp
index 291da269d..0af673ff3 100644
--- a/src/GUI/Plater.cpp
+++ b/src/GUI/Plater.cpp
@@ -7,6 +7,7 @@
 #include "ProgressStatusBar.hpp"
 #include "Log.hpp"
 #include "MainFrame.hpp"
+#include "BoundingBox.hpp"
 
 namespace Slic3r { namespace GUI {
 
@@ -311,7 +312,8 @@ std::vector<int> Plater::load_model_objects(ModelObjectPtrs model_objects) {
 
         }
     }
-    for (const auto& i : obj_idx) { this->make_thumbnail(i); }
+    for (const auto& i : obj_idx) { this->make_thumbnail(i); } 
+    if (need_arrange) this->arrange();
     return obj_idx;
 }
 
@@ -370,5 +372,18 @@ void Plater::refresh_canvases() {
 
 }
 
+void Plater::arrange() {
+    // pause background process
+    auto bb {Slic3r::BoundingBoxf(this->config->get<ConfigOptionPoints>("bed_shape").values)};
+    bool success {this->model->arrange_objects(this->config->min_object_distance(), &bb)};
+
+    GetFrame()->statusbar->SetStatusText(_("Objects were arranged."));
+    this->on_model_change(true);
+}
+
+void Plater::on_model_change(bool force_autocenter) {
+    this->refresh_canvases();
+}
+
 }} // Namespace Slic3r::GUI
 
diff --git a/src/GUI/Plater.hpp b/src/GUI/Plater.hpp
index c180ca843..5d052891f 100644
--- a/src/GUI/Plater.hpp
+++ b/src/GUI/Plater.hpp
@@ -47,7 +47,7 @@ private:
     std::shared_ptr<Slic3r::Config> config { Slic3r::Config::new_from_defaults(
         {"bed_shape", "complete_objects", "extruder_clearance_radius", "skirts", "skirt_distance", 
         "brim_width", "serial_port", "serial_speed", "host_type", "print_host", "octoprint_apikey",
-        "shortcuts", "filament_colour"})};
+        "shortcuts", "filament_colour", "duplicate_distance"})};
 
     bool processed {false};
 
@@ -95,6 +95,13 @@ private:
     /// Complete thumbnail transformation and refresh canvases  
     void on_thumbnail_made(size_t idx); 
     void refresh_canvases();
+
+    /// Arrange models
+    void arrange();
+
+    /// Run everything that needs to happen when models change.
+    /// Includes updating canvases, reloading menus, etc.
+    void on_model_change(bool force_autocenter = false);
 };