diff --git a/src/slic3r/GUI/DoubleSliderForGcode.cpp b/src/slic3r/GUI/DoubleSliderForGcode.cpp
index 7ad6c3bf81..6704f8d1c0 100644
--- a/src/slic3r/GUI/DoubleSliderForGcode.cpp
+++ b/src/slic3r/GUI/DoubleSliderForGcode.cpp
@@ -8,7 +8,7 @@
 namespace DoubleSlider {
 
 static const float LEFT_MARGIN             = 13.0f + 100.0f;  // avoid thumbnail toolbar
-static const float HORIZONTAL_SLIDER_HEIGHT = 45.0f;
+static const float HORIZONTAL_SLIDER_HEIGHT = 40.0f;
 
 void DSForGcode::Render(const int canvas_width, const int canvas_height, float extra_scale/* = 0.1f*/, float offset/* = 0.f*/)
 {
@@ -16,7 +16,7 @@ void DSForGcode::Render(const int canvas_width, const int canvas_height, float e
         return;
     m_scale = extra_scale * 0.1f * m_em;
 
-    ImVec2 pos  = ImVec2{std::max(LEFT_MARGIN, 0.2f * canvas_width), canvas_height - 1.5f * HORIZONTAL_SLIDER_HEIGHT * m_scale};
+    ImVec2 pos  = ImVec2{std::max(LEFT_MARGIN, 0.2f * canvas_width), canvas_height - HORIZONTAL_SLIDER_HEIGHT * m_scale};
     ImVec2 size = ImVec2(canvas_width - 2 * pos.x, HORIZONTAL_SLIDER_HEIGHT * m_scale);
 
     m_ctrl.Init(pos, size, m_scale);
diff --git a/src/slic3r/GUI/GCodeViewer.cpp b/src/slic3r/GUI/GCodeViewer.cpp
index d6188f3d92..fd94bbe57d 100644
--- a/src/slic3r/GUI/GCodeViewer.cpp
+++ b/src/slic3r/GUI/GCodeViewer.cpp
@@ -303,7 +303,11 @@ void GCodeViewer::SequentialView::Marker::render_position_window(const libvgcode
     if (viewer != nullptr) {
         ImGuiWrapper& imgui = *wxGetApp().imgui();
         const Size cnv_size = wxGetApp().plater()->get_current_canvas3D()->get_canvas_size();
-        ImGuiPureWrap::set_next_window_pos(0.5f * static_cast<float>(cnv_size.get_width()), static_cast<float>(cnv_size.get_height()), ImGuiCond_Always, 0.5f, 1.0f);
+
+        Preview* preview = dynamic_cast<Preview*>(wxGetApp().plater()->get_current_canvas3D()->get_wxglcanvas_parent());
+        assert(preview);
+
+        ImGuiPureWrap::set_next_window_pos(0.5f * static_cast<float>(cnv_size.get_width()), static_cast<float>(cnv_size.get_height() - preview->get_moves_slider_height()), ImGuiCond_Always, 0.5f, 1.0f);
         ImGui::PushStyleVar(ImGuiStyleVar_WindowRounding, 0.0f);
         ImGui::SetNextWindowBgAlpha(0.25f);
         ImGuiPureWrap::begin(std::string("ToolPosition"), ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoDecoration | ImGuiWindowFlags_NoMove);
@@ -430,7 +434,7 @@ void GCodeViewer::SequentialView::Marker::render_position_window(const libvgcode
                 if (table_shown) {
                     static float table_wnd_height = 0.0f;
                     const ImVec2 wnd_size = ImGui::GetWindowSize();
-                    ImGuiPureWrap::set_next_window_pos(ImGui::GetWindowPos().x + wnd_size.x, static_cast<float>(cnv_size.get_height()), ImGuiCond_Always, 0.0f, 1.0f);
+                    ImGuiPureWrap::set_next_window_pos(ImGui::GetWindowPos().x + wnd_size.x, static_cast<float>(cnv_size.get_height() - preview->get_moves_slider_height()), ImGuiCond_Always, 0.0f, 1.0f);
                     ImGui::SetNextWindowSizeConstraints({ 0.0f, 0.0f }, { -1.0f, wnd_size.y });
                     ImGuiPureWrap::begin(std::string("ToolPositionTableWnd"), ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoTitleBar |
                         ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse | ImGuiWindowFlags_NoMove);
diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 0348f811d9..1348564a4f 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -1353,6 +1353,11 @@ void GLCanvas3D::post_event(wxEvent &&event)
     wxPostEvent(m_canvas, event);
 }
 
+wxWindow* GLCanvas3D::get_wxglcanvas_parent()
+{
+    return m_canvas->GetParent();
+}
+
 bool GLCanvas3D::init()
 {
     if (m_initialized)
diff --git a/src/slic3r/GUI/GLCanvas3D.hpp b/src/slic3r/GUI/GLCanvas3D.hpp
index ccc29d4b84..09ff631ed5 100644
--- a/src/slic3r/GUI/GLCanvas3D.hpp
+++ b/src/slic3r/GUI/GLCanvas3D.hpp
@@ -689,6 +689,8 @@ public:
     wxGLCanvas* get_wxglcanvas() { return m_canvas; }
 	const wxGLCanvas* get_wxglcanvas() const { return m_canvas; }
 
+    wxWindow* get_wxglcanvas_parent();
+
     bool init();
     void post_event(wxEvent &&event);
 
diff --git a/src/slic3r/GUI/ImGuiDoubleSlider.hpp b/src/slic3r/GUI/ImGuiDoubleSlider.hpp
index 59493e8880..8c7cc49785 100644
--- a/src/slic3r/GUI/ImGuiDoubleSlider.hpp
+++ b/src/slic3r/GUI/ImGuiDoubleSlider.hpp
@@ -100,7 +100,7 @@ private:
     struct DrawOptions {
         float       scale                   { 1.f }; // used for Retina on osx
 
-        ImVec2      dummy_sz()           const { return ImVec2(24.0f, 22.0f) * scale; }
+        ImVec2      dummy_sz()           const { return ImVec2(24.0f, 16.0f) * scale; }
         ImVec2      thumb_dummy_sz()     const { return ImVec2(17.0f, 17.0f) * scale; }
         ImVec2      groove_sz()          const { return ImVec2(4.0f,   4.0f) * scale; }
         ImVec2      draggable_region_sz()const { return ImVec2(20.0f, 19.0f) * scale; }
diff --git a/src/slic3r/GUI/NotificationManager.cpp b/src/slic3r/GUI/NotificationManager.cpp
index 2cbc89f577..006f631b91 100644
--- a/src/slic3r/GUI/NotificationManager.cpp
+++ b/src/slic3r/GUI/NotificationManager.cpp
@@ -176,8 +176,8 @@ void NotificationManager::PopNotification::render(GLCanvas3D& canvas, float init
 	ImVec2 win_pos(1.0f * (float)cnv_size.get_width() - right_gap, 1.0f * (float)cnv_size.get_height() - m_top_y);
 
 	if (wxGetApp().plater()->is_preview_shown()) {
-		if (Preview* preview = dynamic_cast<Preview*>(canvas.get_wxglcanvas()->GetParent())) {
-			win_pos.y -= 1.5f * preview->get_moves_slider_height();
+		if (Preview* preview = dynamic_cast<Preview*>(canvas.get_wxglcanvas_parent())) {
+			win_pos.y -= preview->get_moves_slider_height();
 			win_pos.x -= preview->get_layers_slider_width();
 		}
 	}