diff --git a/resources/icons/down_half_circle.png b/resources/icons/down_half_circle.png
index 84aba5c3cd..f86a2932c1 100644
Binary files a/resources/icons/down_half_circle.png and b/resources/icons/down_half_circle.png differ
diff --git a/resources/icons/left_half_circle.png b/resources/icons/left_half_circle.png
index c1e8d3a9c9..3bdc4c3eef 100644
Binary files a/resources/icons/left_half_circle.png and b/resources/icons/left_half_circle.png differ
diff --git a/resources/icons/one_layer_lock_off.png b/resources/icons/one_layer_lock_off.png
index 7dc8b06118..f6e61d058c 100644
Binary files a/resources/icons/one_layer_lock_off.png and b/resources/icons/one_layer_lock_off.png differ
diff --git a/resources/icons/one_layer_lock_on.png b/resources/icons/one_layer_lock_on.png
index 41b7ff173f..0110999721 100644
Binary files a/resources/icons/one_layer_lock_on.png and b/resources/icons/one_layer_lock_on.png differ
diff --git a/resources/icons/one_layer_unlock_off.png b/resources/icons/one_layer_unlock_off.png
index c3931f8b9d..46fabfb050 100644
Binary files a/resources/icons/one_layer_unlock_off.png and b/resources/icons/one_layer_unlock_off.png differ
diff --git a/resources/icons/one_layer_unlock_on.png b/resources/icons/one_layer_unlock_on.png
index 99e0db5c26..265b926101 100644
Binary files a/resources/icons/one_layer_unlock_on.png and b/resources/icons/one_layer_unlock_on.png differ
diff --git a/resources/icons/right_half_circle.png b/resources/icons/right_half_circle.png
index 9f182b0b42..ecc8980b32 100644
Binary files a/resources/icons/right_half_circle.png and b/resources/icons/right_half_circle.png differ
diff --git a/resources/icons/up_half_circle.png b/resources/icons/up_half_circle.png
index 9eea07fda7..aac6e32c3f 100644
Binary files a/resources/icons/up_half_circle.png and b/resources/icons/up_half_circle.png differ
diff --git a/xs/src/slic3r/GUI/wxExtensions.cpp b/xs/src/slic3r/GUI/wxExtensions.cpp
index 8ee7881e37..a8ed45e073 100644
--- a/xs/src/slic3r/GUI/wxExtensions.cpp
+++ b/xs/src/slic3r/GUI/wxExtensions.cpp
@@ -750,8 +750,12 @@ unsigned int PrusaObjectDataViewModel::GetChildren(const wxDataViewItem &parent,
 	return count;
 }
 
-// ************************************** EXPERIMENTS ***************************************
-PrusaDoubleSlider::PrusaDoubleSlider(   wxWindow *parent,
+
+// ----------------------------------------------------------------------------
+// PrusaDoubleSlider
+// ----------------------------------------------------------------------------
+
+PrusaDoubleSlider::PrusaDoubleSlider(wxWindow *parent,
                                         wxWindowID id,
                                         int lowerValue, 
                                         int higherValue, 
@@ -1449,5 +1453,9 @@ void PrusaLockButton::enter_button(const bool enter)
     Update();
 }
 
+// ************************************** EXPERIMENTS ***************************************
+
 // *****************************************************************************
 
+
+
diff --git a/xs/src/slic3r/GUI/wxExtensions.hpp b/xs/src/slic3r/GUI/wxExtensions.hpp
index 465101e3f1..62e4f4f156 100644
--- a/xs/src/slic3r/GUI/wxExtensions.hpp
+++ b/xs/src/slic3r/GUI/wxExtensions.hpp
@@ -495,7 +495,12 @@ public:
 private:
 	wxString m_value;
 };
-// ******************************* EXPERIMENTS **********************************************
+
+
+// ----------------------------------------------------------------------------
+// PrusaDoubleSlider
+// ----------------------------------------------------------------------------
+
 enum SelectedSlider {
     ssUndef,
     ssLower,
@@ -670,6 +675,9 @@ private:
 
     int         m_lock_icon_dim;
 };
+
+
+// ******************************* EXPERIMENTS **********************************************
 // ******************************************************************************************