diff --git a/party-stage/src/scene/projection-screen.js b/party-stage/src/scene/projection-screen.js
index c4603cf..fb6b2a0 100644
--- a/party-stage/src/scene/projection-screen.js
+++ b/party-stage/src/scene/projection-screen.js
@@ -12,6 +12,9 @@ void main() {
 }
 `;
 
+const ledCountX = 256;
+const ledCountY = ledCountX * (9 / 16);
+
 const screenFragmentShader = `
 uniform sampler2D videoTexture;
 uniform float u_effect_type;
@@ -26,8 +29,8 @@ float random(vec2 st) {
 
 void main() {
     // LED Grid Setup
-    float ledCountX = 128.0;
-    float ledCountY = 72.0; // 16:9 Aspect Ratio
+    float ledCountX = ${ledCountX}.0;
+    float ledCountY = ${ledCountY}.0;
     
     vec2 gridUV = vec2(vUv.x * ledCountX, vUv.y * ledCountY);
     vec2 cell = fract(gridUV);