diff --git a/src/kiri/main.js b/src/kiri/main.js
index 55572f96..c9132089 100644
--- a/src/kiri/main.js
+++ b/src/kiri/main.js
@@ -1886,11 +1886,11 @@
                 SPACE.sky.set({ color: 0, ambient: { intensity: 0.08 } });
                 DOC.body.classList.add('dark');
             } else {
-                SPACE.platform.set({ light: 0.09 });
+                SPACE.platform.set({ light: 0.12 });
                 SPACE.platform.setFont({rulerColor:'#333333'});
                 SPACE.platform.setGrid(gridMajor, gridMinor, 0x999999, 0xcccccc);
                 SPACE.platform.opacity(0.2);
-                SPACE.sky.set({ color: 0xffffff, ambient: { intensity: 0.9 } });
+                SPACE.sky.set({ color: 0xffffff, ambient: { intensity: 0.4 } });
                 DOC.body.classList.remove('dark');
             }
             SPACE.platform.setSize();
diff --git a/src/main/mesh.js b/src/main/mesh.js
index e037fc59..f221a4c6 100644
--- a/src/main/mesh.js
+++ b/src/main/mesh.js
@@ -476,9 +476,10 @@ function set_darkmode(dark) {
     }
     sky.set({
         color: dark ? 0 : 0xffffff,
-        ambient: { intensity: dark ? 0.6 : 1 }
+        ambient: { intensity: dark ? 0.4 : 0.9 }
     });
     platform.set({
+        light: dark ? 0.05 : 0.05,
         grid: dark ? {
             colorMajor: 0x666666,
             colorMinor: 0x333333,
@@ -487,6 +488,7 @@ function set_darkmode(dark) {
             colorMinor: 0xeeeeee,
         },
     });
+    platform.setSize();
     for (let m of model.list()) {
         m.normals({ refresh: true });
     }
diff --git a/src/moto/space.js b/src/moto/space.js
index c69bacc6..e71dbfde 100644
--- a/src/moto/space.js
+++ b/src/moto/space.js
@@ -242,28 +242,33 @@
         for (let l of lights || []) {
             SCENE.remove(l);
         }
-        x *= 1.5; y *= 1.5; z *= 1.5;
+        x *= 1.1; y *= 1.1; z *= 1.1;
         // add new
         let x0 = -x/2, y0 = -y/2, z0 = 0;
         let x1 =  x/2, y1 =  y/2, z1 = z / 2, z2 = z;
         lights = [
-            addLight(  0,  y0,  z0, lightIntensity),
-            addLight(  0,  y1,  z0, lightIntensity),
-            addLight( x0,   0,  z0, lightIntensity),
-            addLight( x1,   0,  z0, lightIntensity),
+            addLight( x0,  y0,  z1, lightIntensity * 2.5),
+            addLight( x0,  y1,  z1, lightIntensity * 2.0),
+            addLight( x1,  y1,  z1, lightIntensity * 2.5),
+            addLight( x1,  y0,  z1, lightIntensity * 2.0),
 
-            addLight( x0,  y0,  z1, lightIntensity * 1.5),
-            addLight( x0,  y1,  z1, lightIntensity / 1.5),
-            addLight( x1,  y1,  z1, lightIntensity * 1.5),
-            addLight( x1,  y0,  z1, lightIntensity / 1.5),
+            // addLight(  0,  y0,  z0, lightIntensity * 1.2),
+            // addLight(  0,  y1,  z0, lightIntensity * 0.8),
+            // addLight( x0,   0,  z0, lightIntensity * 1.2),
+            // addLight( x1,   0,  z0, lightIntensity * 0.8),
 
-            addLight( x0,  y0, -z1, lightIntensity / 1.5),
-            addLight( x0,  y1, -z1, lightIntensity),
-            addLight( x1,  y1, -z1, lightIntensity / 1.5),
-            addLight( x1,  y0, -z1, lightIntensity),
+            addLight( x0,  y0,  z0, lightIntensity * 0.8),
+            addLight( x0,  y1,  z0, lightIntensity * 1.2),
+            addLight( x1,  y1,  z0, lightIntensity * 0.8),
+            addLight( x1,  y0,  z0, lightIntensity * 1.2),
 
-            addLight(  0,   0,  z2, lightIntensity * 2),
-            addLight(  0,   0, -z2, lightIntensity / 1),
+            addLight( x0,  y0, -z1, lightIntensity * 0.5),
+            addLight( x0,  y1, -z1, lightIntensity * 0.2),
+            addLight( x1,  y1, -z1, lightIntensity * 0.5),
+            addLight( x1,  y0, -z1, lightIntensity * 0.2),
+
+            addLight(  0,   0,  z2, lightIntensity * 0.8),
+            addLight(  0,   0, -z2, lightIntensity * 0.8),
         ];
     }