diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 279a80ecee..4710132025 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -4074,15 +4074,15 @@ double GLCanvas3D::get_size_proportional_to_max_bed_size(double factor) const
 }
 
 //BBS
-std::vector<Vec2f> GLCanvas3D::get_empty_cells(const Vec2f start_point)
+std::vector<Vec2f> GLCanvas3D::get_empty_cells(const Vec2f start_point, const Vec2f step)
 {
     PartPlate* plate = wxGetApp().plater()->get_partplate_list().get_curr_plate();
     BoundingBoxf3 build_volume = plate->get_build_volume();
     Vec2d vmin(build_volume.min.x(), build_volume.min.y()), vmax(build_volume.max.x(), build_volume.max.y());
     BoundingBoxf bbox(vmin, vmax);
     std::vector<Vec2f> cells;
-    for (float x = bbox.min.x(); x < bbox.max.x(); x+=10)
-        for (float y = bbox.min.y(); y < bbox.max.y(); y += 10)
+    for (float x = bbox.min.x(); x < bbox.max.x(); x += step(0))
+        for (float y = bbox.min.y(); y < bbox.max.y(); y += step(1))
         {
             cells.emplace_back(x, y);
         }
@@ -4124,9 +4124,9 @@ std::vector<Vec2f> GLCanvas3D::get_empty_cells(const Vec2f start_point)
     return cells;
 }
 
-Vec2f GLCanvas3D::get_nearest_empty_cell(const Vec2f start_point)
+Vec2f GLCanvas3D::get_nearest_empty_cell(const Vec2f start_point, const Vec2f step)
 {
-    std::vector<Vec2f> empty_cells = get_empty_cells(start_point);
+    std::vector<Vec2f> empty_cells = get_empty_cells(start_point, step);
     if (!empty_cells.empty())
         return empty_cells.front();
     else {
diff --git a/src/slic3r/GUI/GLCanvas3D.hpp b/src/slic3r/GUI/GLCanvas3D.hpp
index a09f4333b6..186f96c22e 100644
--- a/src/slic3r/GUI/GLCanvas3D.hpp
+++ b/src/slic3r/GUI/GLCanvas3D.hpp
@@ -831,11 +831,11 @@ public:
     double get_size_proportional_to_max_bed_size(double factor) const;
 
     // BBS: get empty cells to put new object
-    // start_point={-1,-1} means sort from bed center
-    std::vector<Vec2f> get_empty_cells(const Vec2f start_point);
+    // start_point={-1,-1} means sort from bed center, step is the unscaled x,y stride
+    std::vector<Vec2f> get_empty_cells(const Vec2f start_point, const Vec2f step = {10, 10});
     // BBS: get the nearest empty cell
     // start_point={-1,-1} means sort from bed center
-    Vec2f get_nearest_empty_cell(const Vec2f start_point);
+    Vec2f get_nearest_empty_cell(const Vec2f start_point, const Vec2f step = {10, 10});
 
     void set_cursor(ECursorType type);
     void msw_rescale();
diff --git a/src/slic3r/GUI/Selection.cpp b/src/slic3r/GUI/Selection.cpp
index 6f0ecd9b02..c0abf6ba8c 100644
--- a/src/slic3r/GUI/Selection.cpp
+++ b/src/slic3r/GUI/Selection.cpp
@@ -2619,6 +2619,7 @@ void Selection::paste_objects_from_clipboard()
 
     //BBS: if multiple objects are selected, move them as a whole after copy
     Vec2d shift_all = {0, 0};
+    Vec2f empty_cell_all = {0, 0};
     if (src_objects.size() > 1) {
         BoundingBoxf3 bbox_all;
         for (const ModelObject *src_object : src_objects) {
@@ -2632,25 +2633,27 @@ void Selection::paste_objects_from_clipboard()
             shift_all = {0, bbox_all.size().y()};
     }
 
-    for (const ModelObject* src_object : src_objects)
+    for (size_t i=0;i<src_objects.size();i++)
     {
+        const ModelObject *src_object = src_objects[i];
         ModelObject* dst_object = m_model->add_object(*src_object);
         
         // BBS: find an empty cell to put the copied object
         BoundingBoxf3 bbox = src_object->instance_convex_hull_bounding_box(0);
 
         Vec3d displacement;
+        bool  in_current  = plate->intersects(bbox);
+        auto  start_point = in_current ? bbox.center() : plate->get_build_volume().center();
         if (shift_all(0) != 0 || shift_all(1) != 0) {
             // BBS: if multiple objects are selected, move them as a whole after copy
-            auto start_point = bbox.center();
-            displacement = {shift_all.x() + start_point.x(), shift_all.y() + start_point.y(), start_point(2)};
+            if (i == 0) empty_cell_all = wxGetApp().plater()->canvas3D()->get_nearest_empty_cell({start_point(0), start_point(1)}, {bbox.size()(0)+1,bbox.size()(1)+1});
+            auto instance_shift = src_object->instances.front()->get_offset() - src_objects[0]->instances.front()->get_offset();
+            displacement = {shift_all.x() + empty_cell_all.x()+instance_shift.x(), shift_all.y() + empty_cell_all.y()+instance_shift.y(), start_point(2)};
         } else {
             // BBS: if only one object is copied, find an empty cell to put it
-            bool in_current   = plate->intersects(bbox);
-            auto start_point  = in_current ? bbox.center() : plate->get_build_volume().center();
             auto start_offset = in_current ? src_object->instances.front()->get_offset() : plate->get_build_volume().center();
             auto point_offset = start_offset - start_point;
-            auto empty_cell   = wxGetApp().plater()->canvas3D()->get_nearest_empty_cell({start_point(0), start_point(1)});
+            auto empty_cell   = wxGetApp().plater()->canvas3D()->get_nearest_empty_cell({start_point(0), start_point(1)}, {bbox.size()(0)+1, bbox.size()(1)+1});
             displacement    = {empty_cell.x() + point_offset.x(), empty_cell.y() + point_offset.y(), start_point(2)};
         }