diff --git a/GeometryView.cpp b/GeometryView.cpp
index 5160053..4ee5e20 100644
--- a/GeometryView.cpp
+++ b/GeometryView.cpp
@@ -186,7 +186,7 @@ void GeometryView::resize ( int scale )
     scene.root()->scale_.y = z;
 
     // Clamp translation to acceptable area
-    glm::vec3 border(scene.root()->scale_.x * 1.5, scene.root()->scale_.y * 1.5, 0.f);
+    glm::vec3 border(2.f * Mixer::manager().session()->frame()->aspectRatio(), 2.f, 0.f);
     scene.root()->translation_ = glm::clamp(scene.root()->translation_, -border, border);
 }
 
diff --git a/LayerView.cpp b/LayerView.cpp
index 37a3e68..dcfbade 100644
--- a/LayerView.cpp
+++ b/LayerView.cpp
@@ -217,9 +217,8 @@ void LayerView::resize ( int scale )
     scene.root()->scale_.y = z;
 
     // Clamp translation to acceptable area
-    glm::vec3 border_left(scene.root()->scale_.x * -2.f, scene.root()->scale_.y * -1.f, 0.f);
-    glm::vec3 border_right(scene.root()->scale_.x * 8.f, scene.root()->scale_.y * 8.f, 0.f);
-    scene.root()->translation_ = glm::clamp(scene.root()->translation_, border_left, border_right);
+    glm::vec3 border(2.f, 1.f, 0.f);
+    scene.root()->translation_ = glm::clamp(scene.root()->translation_, -border, border * 2.f);
 }
 
 int  LayerView::size ()
diff --git a/MixingView.cpp b/MixingView.cpp
index fce2c3a..e4be714 100644
--- a/MixingView.cpp
+++ b/MixingView.cpp
@@ -250,7 +250,8 @@ void MixingView::resize ( int scale )
     scene.root()->scale_.y = z;
 
     // Clamp translation to acceptable area
-    glm::vec3 border(scene.root()->scale_.x * 1.f, scene.root()->scale_.y * 1.f, 0.f);
+    glm::vec2 res = resolution();
+    glm::vec3 border(2.3f * res.x/res.y, 2.3f, 0.f);
     scene.root()->translation_ = glm::clamp(scene.root()->translation_, -border, border);
 }
 
diff --git a/TextureView.cpp b/TextureView.cpp
index 3ad9cb9..707187b 100644
--- a/TextureView.cpp
+++ b/TextureView.cpp
@@ -252,7 +252,7 @@ void TextureView::resize ( int scale )
     scene.root()->scale_.y = z;
 
     // Clamp translation to acceptable area
-    glm::vec3 border(scene.root()->scale_.x * 1.5, scene.root()->scale_.y * 1.5, 0.f);
+    glm::vec3 border(2.f * Mixer::manager().session()->frame()->aspectRatio(), 2.f, 0.f);
     scene.root()->translation_ = glm::clamp(scene.root()->translation_, -border, border);
 }
 
diff --git a/View.cpp b/View.cpp
index 980d9d5..e3a4cc1 100644
--- a/View.cpp
+++ b/View.cpp
@@ -287,3 +287,9 @@ void View::lock(Source *s, bool on)
         Action::manager().store(s->name() + std::string(": unlock."));
 }
 
+
+glm::vec2 View::resolution() const
+{
+    const ImGuiIO& io = ImGui::GetIO();
+    return glm::vec2(io.DisplaySize.x, io.DisplaySize.y);
+}
diff --git a/View.h b/View.h
index 4fbce43..b3e320f 100644
--- a/View.h
+++ b/View.h
@@ -88,6 +88,9 @@ public:
     // left-right [-1 1] and up-down [1 -1] action from arrow keys
     virtual void arrow (glm::vec2) {}
 
+    // resolution on screen
+    glm::vec2 resolution() const;
+
     // accessible scene
     Scene scene;
 
diff --git a/defines.h b/defines.h
index be78859..0530fa9 100644
--- a/defines.h
+++ b/defines.h
@@ -40,7 +40,7 @@
 #define GEOMETRY_MIN_SCALE 0.4f
 #define GEOMETRY_MAX_SCALE 7.0f
 #define LAYER_DEFAULT_SCALE 0.6f
-#define LAYER_MIN_SCALE 0.4f
+#define LAYER_MIN_SCALE 0.25f
 #define LAYER_MAX_SCALE 1.7f
 #define LAYER_PERSPECTIVE 2.0f
 #define LAYER_BACKGROUND 2.f