diff --git a/plugins/SimulationView/layers3d.shader b/plugins/SimulationView/layers3d.shader
index 508126e163..2bf77e89fa 100644
--- a/plugins/SimulationView/layers3d.shader
+++ b/plugins/SimulationView/layers3d.shader
@@ -356,7 +356,10 @@ geometry41core =
             EndPrimitive();
         }
 
-        if ((u_show_starts == 1) && (v_prev_line_type[0] != 1) && (v_line_type[0] == 1)) {
+        if ((u_show_starts == 1) && (
+            ((v_prev_line_type[0] != 1) && (v_line_type[0] == 1)) ||
+            ((v_prev_line_type[0] != 4) && (v_line_type[0] == 4))
+            )) {
             float w = size_x;
             float h = size_y;
 
diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 6f9b4de7fd..7591a30232 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -4775,6 +4775,34 @@
                     "settable_per_mesh": true,
                     "settable_per_extruder": true
                 },
+                "support_z_seam_away_from_model":
+                {
+                    "label": "Support Z Seam Away from Model",
+                    "description": "Manage the spatial relationship between the z seam of the support structure and the actual 3D model. This control is crucial as it allows users to ensure the seamless removal of support structures post-printing, without inflicting damage or leaving marks on the printed model.",
+                    "type": "bool",
+                    "default_value": true,
+                    "enabled": "support_enable",
+                    "settable_per_mesh": false,
+                    "settable_per_extruder": true,
+                    "settable_per_meshgroup": false,
+                    "children":
+                    {
+                        "support_z_seam_min_distance":
+                        {
+                            "label": "Min Z Seam Distance from Model",
+                            "description": "The distance between the model and its support structure at the z-axis seam.",
+                            "unit": "mm",
+                            "minimum_value": "0.001",
+                            "value": "line_width * 2",
+                            "default_value": 0.8,
+                            "maximum_value_warning": "line_width * 4",
+                            "type": "float",
+                            "enabled": "support_z_seam_away_from_model and support_enable",
+                            "settable_per_mesh": false,
+                            "settable_per_extruder": true
+                        }
+                    }
+                },
                 "support_type":
                 {
                     "label": "Support Placement",
diff --git a/resources/setting_visibility/expert.cfg b/resources/setting_visibility/expert.cfg
index ce5b78c76c..dee3188dd5 100644
--- a/resources/setting_visibility/expert.cfg
+++ b/resources/setting_visibility/expert.cfg
@@ -265,6 +265,8 @@ support_type
 support_angle
 support_pattern
 support_wall_count
+support_z_seam_away_from_model
+support_z_seam_min_distance
 zig_zaggify_support
 support_connect_zigzags
 support_infill_rate