diff --git a/packages/core/src/canvas/fills.ts b/packages/core/src/canvas/fills.ts
index f014cc095..dee9638e3 100644
--- a/packages/core/src/canvas/fills.ts
+++ b/packages/core/src/canvas/fills.ts
@@ -105,9 +105,14 @@ interface PatternTileLayout {
   positions: Vector[]
 }
 
-function patternAlignmentOffset(alignment: Fill['horizontalAlignment'], gap: number): number {
-  if (alignment === 'CENTER') return gap / 2
-  if (alignment === 'END') return gap
+function patternAlignmentOffset(
+  alignment: Fill['horizontalAlignment'],
+  gap: number,
+  sourceSize: number,
+  axis: 'x' | 'y'
+): number {
+  if (alignment === 'CENTER') return axis === 'x' ? -gap / 2 : -sourceSize / 2
+  if (alignment === 'END') return -gap
   return 0
 }
 
@@ -120,8 +125,8 @@ export function patternTileLayout(source: SceneNode, fill: Fill): PatternTileLay
   const gapY = scaledHeight * spacing.y
   const width = scaledWidth + gapX
   const height = scaledHeight + gapY
-  const x = patternAlignmentOffset(fill.horizontalAlignment, gapX)
-  const y = patternAlignmentOffset(fill.verticalAlignment, gapY)
+  const x = patternAlignmentOffset(fill.horizontalAlignment, gapX, scaledWidth, 'x')
+  const y = patternAlignmentOffset(fill.verticalAlignment, gapY, scaledHeight, 'y')
   const positions = [{ x, y }]
 
   if (fill.patternTileType === 'HORIZONTAL_HEXAGONAL') {
diff --git a/tests/e2e/canvas/renderer-visuals.spec.ts-snapshots/pattern-fills-from-source-nodes-openpencil-darwin.png b/tests/e2e/canvas/renderer-visuals.spec.ts-snapshots/pattern-fills-from-source-nodes-openpencil-darwin.png
index ac131ff73..4d831c72d 100644
Binary files a/tests/e2e/canvas/renderer-visuals.spec.ts-snapshots/pattern-fills-from-source-nodes-openpencil-darwin.png and b/tests/e2e/canvas/renderer-visuals.spec.ts-snapshots/pattern-fills-from-source-nodes-openpencil-darwin.png differ
diff --git a/tests/engine/render/canvas/image-fill.test.ts b/tests/engine/render/canvas/image-fill.test.ts
index 6d3536014..18a74ca53 100644
--- a/tests/engine/render/canvas/image-fill.test.ts
+++ b/tests/engine/render/canvas/image-fill.test.ts
@@ -42,7 +42,7 @@ describe('canvas pattern fills', () => {
     expect(layout).toEqual({
       rect: { x: 0, y: 0, width: 50, height: 30 },
       scale: 2,
-      positions: [{ x: 5, y: 10 }]
+      positions: [{ x: -5, y: -10 }]
     })
   })
 
diff --git a/tests/fixtures/figma-oracles/visual-comparison-report.json b/tests/fixtures/figma-oracles/visual-comparison-report.json
index ec603b56d..c58377f31 100644
--- a/tests/fixtures/figma-oracles/visual-comparison-report.json
+++ b/tests/fixtures/figma-oracles/visual-comparison-report.json
@@ -8,13 +8,15 @@
     {
       "name": "pattern-visible-source-frame",
       "nodeId": "296784:2258",
-      "output": "/tmp/open-pencil-oracles/pattern-visible-source-norm",
+      "output": "/tmp/open-pencil-oracles/pattern-visible-source-tuned",
       "figmaSize": "190x110",
       "openPencilSize": "190x110",
-      "differentPixels": 13026,
-      "differentPercent": 62.33,
-      "rmseNormalized": 0.361297,
-      "finding": "This is the reliable pattern oracle: source and target are copied together and Figma renders the pattern. OpenPencil now resolves the source, but tile origin/spacing still differs from Figma."
+      "differentPixels": 7180,
+      "differentPercent": 34.35,
+      "rmseNormalized": 0.235698,
+      "previousDifferentPixels": 13026,
+      "previousDifferentPercent": 62.33,
+      "finding": "This is the reliable pattern oracle: source and target are copied together and Figma renders the pattern. OpenPencil resolves the source and now uses a closer Figma-like pattern origin, but exact row spacing/tile origin still differs."
     },
     {
       "name": "rich-text-decorations",
@@ -61,7 +63,7 @@
     }
   ],
   "nextActions": [
-    "Tune pattern tile origin and spacing against pattern-visible-source-frame.",
+    "Continue tuning pattern row spacing and tile origin against pattern-visible-source-frame.",
     "Use perceptual/color-tolerant image diff for mask comparisons instead of raw absolute-error counts.",
     "Tune rich text line metrics before treating underline placement diffs as actionable."
   ]