update defaults

src/libslic3r/FDMSupportSpots.cpp

@@ -182,9 +182,9 @@ void FDMSupportSpots::find_support_areas() {
                     supporter.visited = true;
                     supporter.group_id = group_id;
                     for (const auto &n : supporter.neighbours) {
-                        if (n < 0)
-                            continue;
-                        supporters.push(n);
+                        if (n >= 0) {
+                            supporters.push(n);
+                        }
                     }
                 }
             }

src/libslic3r/FDMSupportSpots.hpp

@@ -43,10 +43,10 @@ struct Triangle {
 
 struct FDMSupportSpotsConfig {
     float limit_angle_cos { 35.0f * PI / 180.0f };
-    float patch_size { 6.0f };
-    float patch_spacing { 6.0f };
-    float islands_tolerance_distance { 1.0f };
-    float max_side_length { 1.0f };
+    float patch_size { 1.0f }; // (mm)
+    float patch_spacing { 2.0f }; // (mm)
+    float islands_tolerance_distance { 0.3f }; //(mm)
+    float max_side_length { 1.0f };// (mm)
 };
 
 struct FDMSupportSpots {

src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.hpp

@@ -42,10 +42,10 @@ private:
     // etc. When language changes, GUI is recreated and this class constructed again, so the change takes effect.
     std::map<std::string, wxString> m_desc;
 
-    float m_smart_support_limit_angle_deg = 35.0f;
-    float m_smart_support_patch_size = 6.0f;
-    float m_smart_support_patch_spacing = 6.0f;
-    float m_smart_support_islands_tolerance = 1.0f;
+    float m_smart_support_limit_angle_deg = 45.0f;
+    float m_smart_support_patch_size = 10.0f; //0.1mm
+    float m_smart_support_patch_spacing = 20.0f; //0.1mm
+    float m_smart_support_islands_tolerance = 30.0f; //0.01mm
 };