diff --git a/src/libslic3r/Brim.cpp b/src/libslic3r/Brim.cpp
index 5fe753dcdd..a2e0373976 100644
--- a/src/libslic3r/Brim.cpp
+++ b/src/libslic3r/Brim.cpp
@@ -876,6 +876,8 @@ static ExPolygons outer_inner_brim_area(const Print& print,
         brimToWrite.insert({ objectWithExtruder.first, {true,true} });
 
     ExPolygons objectIslands;
+    auto bedPoly = Model::getBedPolygon();
+    auto bedExPoly = diff_ex((offset(bedPoly, scale_(30.), jtRound, SCALED_RESOLUTION)), { bedPoly });
 
     for (unsigned int extruderNo : printExtruders) {
         ++extruderNo;
@@ -1036,7 +1038,9 @@ static ExPolygons outer_inner_brim_area(const Print& print,
             }
         }
     }
-    for (const PrintObject* object : print.objects()) 
+    if (!bedExPoly.empty())
+        no_brim_area.push_back(bedExPoly.front());
+    for (const PrintObject* object : print.objects())
         if (brimAreaMap.find(object->id()) != brimAreaMap.end()) {
             brimAreaMap[object->id()] = diff_ex(brimAreaMap[object->id()], no_brim_area);
 
diff --git a/src/libslic3r/Model.cpp b/src/libslic3r/Model.cpp
index 78a3786b70..f4d5267a0e 100644
--- a/src/libslic3r/Model.cpp
+++ b/src/libslic3r/Model.cpp
@@ -2917,6 +2917,7 @@ double getTemperatureFromExtruder(const ModelVolumePtrs objectVolumes) {
 
 double ModelInstance::get_auto_brim_width() const
 {
+    return 0.;
     double adhcoeff = getadhesionCoeff(object->volumes);
     double DeltaT = getTemperatureFromExtruder(object->volumes);
     // get auto brim width (Note even if the global brim_type=btOuterBrim, we can still go into this branch)
diff --git a/src/libslic3r/Model.hpp b/src/libslic3r/Model.hpp
index c18ddf0b09..d72586892a 100644
--- a/src/libslic3r/Model.hpp
+++ b/src/libslic3r/Model.hpp
@@ -1212,6 +1212,7 @@ struct GlobalSpeedMap
     double topSolidInfillSpeed;
     double supportSpeed;
     double maxSpeed;
+    Polygon bed_poly;
 };
 
 /* info in ModelDesignInfo can not changed after initialization */
@@ -1307,6 +1308,7 @@ public:
     static double findMaxSpeed(const ModelObject* object);
     static double getThermalLength(const ModelVolume* modelVolumePtr);
     static double getThermalLength(const std::vector<ModelVolume*> modelVolumePtrs);
+    static Polygon getBedPolygon() { return Model::printSpeedMap.bed_poly; }
 
     // BBS: backup
     static Model read_from_archive(
diff --git a/src/libslic3r/ModelArrange.cpp b/src/libslic3r/ModelArrange.cpp
index e9d5c6f0d0..5acdb6fb96 100644
--- a/src/libslic3r/ModelArrange.cpp
+++ b/src/libslic3r/ModelArrange.cpp
@@ -145,6 +145,7 @@ ArrangePolygon get_instance_arrange_poly(ModelInstance* instance, const Slic3r::
 
     // get brim width
     auto obj = instance->get_object();
+#if 0
     ap.brim_width = instance->get_auto_brim_width();
     auto brim_type_ptr = obj->get_config_value<ConfigOptionEnum<BrimType>>(config, "brim_type");
     if (brim_type_ptr) {
@@ -154,7 +155,9 @@ ArrangePolygon get_instance_arrange_poly(ModelInstance* instance, const Slic3r::
         else if (brim_type == btNoBrim)
             ap.brim_width = 0;
     }        
-
+#else
+    ap.brim_width = 0;
+#endif
     
     ap.height = obj->bounding_box().size().z();
     ap.name = obj->name;
diff --git a/src/slic3r/GUI/Jobs/ArrangeJob.cpp b/src/slic3r/GUI/Jobs/ArrangeJob.cpp
index 9c9bdc83d2..3d290447f3 100644
--- a/src/slic3r/GUI/Jobs/ArrangeJob.cpp
+++ b/src/slic3r/GUI/Jobs/ArrangeJob.cpp
@@ -527,6 +527,12 @@ void ArrangeJob::process()
         }
     }
 
+    if (print.full_print_config().opt_bool("enable_support")) {
+        params.bed_shrink_x = std::max(5.f, params.bed_shrink_x);
+        params.bed_shrink_y = std::max(5.f, params.bed_shrink_y);
+        params.min_obj_distance = std::max(scaled(10.0), params.min_obj_distance);
+    }
+
     // do not inflate brim_width. Objects are allowed to have overlapped brim.
     std::for_each(m_selected.begin(), m_selected.end(), [&](auto& ap) {ap.inflation = params.min_obj_distance / 2; });
     // For occulusion regions, inflation should be larger to prevent genrating brim on them.
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 3098c0d427..4b9a7b8aa2 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -2550,9 +2550,22 @@ void Plater::setPrintSpeedTable(GlobalSpeedMap &printSpeedMap) {
             printSpeedMap.maxSpeed = printSpeedMap.supportSpeed;
     }
 
-    /*        "inner_wall_speed", "outer_wall_speed", "sparse_infill_speed", "internal_solid_infill_speed",
-        "top_surface_speed", "support_speed", "support_object_xy_distance", "support_interface_speed",
-        "bridge_speed", "gap_infill_speed", "travel_speed", "initial_layer_speed"*/
+
+    auto& print = wxGetApp().plater()->get_partplate_list().get_current_fff_print();
+    auto print_config = print.config();
+    printSpeedMap.bed_poly.points = get_bed_shape(*(wxGetApp().plater()->config()));
+    Pointfs excluse_area_points = print_config.bed_exclude_area.values;
+    Polygons exclude_polys;
+    Polygon exclude_poly;
+    for (int i = 0; i < excluse_area_points.size(); i++) {
+        auto pt = excluse_area_points[i];
+        exclude_poly.points.emplace_back(scale_(pt.x()), scale_(pt.y()));
+        if (i % 4 == 3) {  // exclude areas are always rectangle
+            exclude_polys.push_back(exclude_poly);
+            exclude_poly.points.clear();
+        }
+    }
+    printSpeedMap.bed_poly = diff({ printSpeedMap.bed_poly }, exclude_polys)[0];
 }
 
 // find temperature of heatend and bed and matierial of an given extruder