diff --git a/modules/Grid/Grid.cpp b/modules/Grid/Grid.cpp
index 74956cb..1423396 100644
--- a/modules/Grid/Grid.cpp
+++ b/modules/Grid/Grid.cpp
@@ -56,6 +56,8 @@ class Grid : public ScreensaverPlugin {
         int _wait {7}; // seconds
         int _fade {3}; // seconds
         double _border {75};
+        double _min_size {2};
+        double _max_size {50};
 
         void animate();
 };
@@ -87,11 +89,11 @@ void Grid::setup(cairo_t* context, const cairo_rectangle_t& rect) {
             Rect r;
             r.cx = _border + h_margin + x * _d;
             r.cy = _border + v_margin + y * _d;
-            r.width = 50;
+            r.width = random_between(_min_size, _max_size);
             r.color = black;
             _old.rects.push_back(r);
             _cur.rects.push_back(r);
-            r.width = random_between(2, 50);
+            r.width = random_between(_min_size, _max_size);
             r.color = sc::random::choice(_colors);
             _new.rects.push_back(r);
         }
@@ -99,6 +101,8 @@ void Grid::setup(cairo_t* context, const cairo_rectangle_t& rect) {
 }
 
 void Grid::configure() {
+    _min_size = _j["min-size"];
+    _max_size = _j["max-size"];
     _d = _j["dist"];
     _wait = _j["wait"];
     _fade = _j["fade"];
@@ -108,6 +112,7 @@ void Grid::configure() {
     for (const auto& hex : _j["colors"]) {
         _colors.emplace_back(hex);
     }
+    setup(_c, _r);
 }
 
 int Grid::fps() const {
@@ -128,7 +133,7 @@ void Grid::update() {
                 _frames = 0;
                 _old = _new;
                 for (Rect& r : _new.rects) {
-                    r.width = random_between(2, 50);
+                    r.width = random_between(_min_size, _max_size);
                     r.color = sc::random::choice(_colors);
                 }
                 _s = State::wait;