Size Qwen 2.1 Generate from the bench aspect table.

Wire EmptyLatentImage to the official ~1 MP grid so 16:9 lands at 1536×864, keep PE wh_ratio advisory, and leave Edit on the encode latent from image_1.

Co-authored-by: Cursor <cursoragent@cursor.com>

server/assets/studio2_qwen21_t2i.json

@@ -40,6 +40,15 @@
     "class_type": "TextEncodeQwenImage21",
     "_meta": { "title": "Text Encode Qwen Image 2.1" }
   },
+  "16": {
+    "inputs": {
+      "width": 1024,
+      "height": 1024,
+      "batch_size": 1
+    },
+    "class_type": "EmptyLatentImage",
+    "_meta": { "title": "Qwen 2.1 canvas" }
+  },
   "15": {
     "inputs": {
       "seed": 1,
@@ -51,7 +60,7 @@
       "model": ["3", 0],
       "positive": ["9", 0],
       "negative": ["9", 1],
-      "latent_image": ["9", 2]
+      "latent_image": ["16", 0]
     },
     "class_type": "KSampler",
     "_meta": { "title": "KSampler" }