diff --git a/src/lib/bakingUtils.ts b/src/lib/bakingUtils.ts
index d45b9ff..e1661b5 100644
--- a/src/lib/bakingUtils.ts
+++ b/src/lib/bakingUtils.ts
@@ -33,7 +33,7 @@ export function reprojectUVs(geometry: THREE.BufferGeometry, mappingType: 'plana
     if (mappingType === 'planar') {
       // Front planar projection
       u = nx;
-      v = ny;
+      v = 1.0 - ny;
     } else if (mappingType === 'cylinder') {
       // Cylindrical projection
       const centeredX = x - center.x;
@@ -41,7 +41,7 @@ export function reprojectUVs(geometry: THREE.BufferGeometry, mappingType: 'plana
       // atan2 returns -PI to PI. We want 0 to 1 around the cylinder.
       let angle = Math.atan2(centeredZ, centeredX);
       u = (angle + Math.PI) / (2 * Math.PI);
-      v = ny;
+      v = 1.0 - ny;
     } else if (mappingType === 'sphere') {
       // Spherical projection
       const centeredX = x - center.x;
@@ -53,7 +53,7 @@ export function reprojectUVs(geometry: THREE.BufferGeometry, mappingType: 'plana
       let theta = Math.atan2(centeredZ, centeredX); // -PI to PI
       
       u = (theta + Math.PI) / (2 * Math.PI);
-      v = 1.0 - (phi / Math.PI);
+      v = phi / Math.PI; // 0 at top, 1 at bottom
     } else if (mappingType === 'box') {
       // Simple box projection (pick dominant axis based on normal)
       // This requires normals
@@ -65,11 +65,11 @@ export function reprojectUVs(geometry: THREE.BufferGeometry, mappingType: 'plana
       }
       const ax = Math.abs(normX), ay = Math.abs(normY), az = Math.abs(normZ);
       if (ax > ay && ax > az) {
-        u = nz; v = ny;
+        u = nz; v = 1.0 - ny;
       } else if (ay > ax && ay > az) {
-        u = nx; v = nz;
+        u = nx; v = 1.0 - nz;
       } else {
-        u = nx; v = ny;
+        u = nx; v = 1.0 - ny;
       }
     }
 
@@ -128,7 +128,7 @@ export function bakeTextureToNewUVs(
         vOldUV = uv2;
         
         float finalX = mix(uv.x * 2.0 - 1.0, 1.0 - uv.x * 2.0, uFlipX);
-        float finalY = mix(uv.y * 2.0 - 1.0, 1.0 - uv.y * 2.0, uFlipY);
+        float finalY = mix(1.0 - uv.y * 2.0, uv.y * 2.0 - 1.0, uFlipY);
 
         gl_Position = vec4(finalX, finalY, 0.0, 1.0);
       }