diff --git a/main_bounce.cpp b/main_bounce.cpp
index 28654ea..be7d707 100644
--- a/main_bounce.cpp
+++ b/main_bounce.cpp
@@ -38,7 +38,7 @@ int main(int argc, char** argv) {
     ball.get_surface()->set_color(Color(1., 0., 0.));
 
     Cuboid bbox = ball.get_surface()->max_bounding_box();
-    Cuboid bbox_2(Point(-20, -2, -20), Point(20,2,20));
+    Cuboid bbox_2(Point(-20, -3, -20), Point(20,3,20));
     printf("%.2lf %.2lf %.2lf | %.2lf %.2lf %.2lf\n",
             bbox.low(0), bbox.low(1), bbox.low(2),
             bbox.high(0), bbox.high(1), bbox.high(2));
@@ -46,7 +46,7 @@ int main(int argc, char** argv) {
 
     if(perlin) {
         perlin_ground.get_surface()->set_color(Color(0.13, 0.82, 0.21));
-        render.add_surface(perlin_ground.get_surface(), bbox_2, 1);
+        render.add_surface(perlin_ground.get_surface(), bbox_2, 1.2);
     }
     else {
         ground_mesh.get_mesh()->set_color(Color(0.13, 0.82, 0.21));