{ "id": "9r4T5kELOXAV8L1F", "meta": { "instanceId": "1e003a7ea4715b6b35e9947791386a7d07edf3b5bf8d4c9b7ee4fdcbec0447d7" }, "name": "3D Figurine Orthographic Views with Midjourney and GPT-4o-Image API", "tags": [], "nodes": [ { "id": "30ff7c89-7fb6-4daf-b7f2-d178ee702243", "name": "When clicking ‘Test workflow’", "type": "n8n-nodes-base.manualTrigger", "position": [ 720, 220 ], "parameters": {}, "typeVersion": 1 }, { "id": "26cb9d6e-6a73-4a27-805d-8577c84101fa", "name": "Midjourney Generator", "type": "n8n-nodes-base.httpRequest", "position": [ 940, 220 ], "parameters": { "url": "https://api.piapi.ai/api/v1/task", "method": "POST", "options": {}, "jsonBody": "{\n \"model\": \"midjourney\",\n \"task_type\": \"imagine\",\n \"input\": {\n \"prompt\": \"IP design, pop mart style, cartoon-style characters, a little girl with a red satche on her back, a pair of big eyes, long eyelashes, with pigtails, wearing a red beret, red shoes, chubby body, wearing a red and white striped dress, clean white background, crystal-clear material::5, 3D rendering, 3D modeling --ar 3:4 --niji 6\",\n \"aspect_ratio\": \"3:2\",\n \"process_mode\": \"turbo\",\n \"skip_prompt_check\": false\n }\n}", "sendBody": true, "sendHeaders": true, "specifyBody": "json", "headerParameters": { "parameters": [ { "name": "x-api-key" } ] } }, "typeVersion": 4.2 }, { "id": "4220555c-f4f4-43ab-8d03-1ae4b959bdd1", "name": "Get Midjourney URL", "type": "n8n-nodes-base.httpRequest", "position": [ 760, 460 ], "parameters": { "url": "=https://api.piapi.ai/api/v1/task/{{ $json.data.task_id }}", "options": {}, "sendHeaders": true, "headerParameters": { "parameters": [ { "name": "x-api-key", "value": "72858adea87ad16865d5b0a24c3d9b9f58a6e7b1a8a8a8a0d6b81a9f3a9812f3" } ] } }, "typeVersion": 4.2 }, { "id": "e81311ee-4522-4fb3-929f-1c062427c859", "name": "Verify URL Acquisition", "type": "n8n-nodes-base.if", "position": [ 960, 460 ], "parameters": { "options": {}, "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "id": "a0f8758e-d6fd-44f8-bd79-bc3c4dceddcf", "operator": { "name": "filter.operator.equals", "type": "string", "operation": "equals" }, "leftValue": "={{ $json.data.status }}", "rightValue": "completed" } ] } }, "typeVersion": 2.2 }, { "id": "9519899e-c246-474e-8fd6-7dd16cf27a5b", "name": "Wait for Generation", "type": "n8n-nodes-base.wait", "position": [ 980, 700 ], "webhookId": "f3bcf634-8c4b-4bf9-a7f2-d4ee369f5349", "parameters": {}, "typeVersion": 1.1 }, { "id": "693348ab-12ab-4896-9fda-a9141263ccbf", "name": "Get Random Image URL", "type": "n8n-nodes-base.code", "position": [ 1240, 520 ], "parameters": { "jsCode": "// JavaScript Code for Function Node\nreturn {\n random_temp_url: $input.all()[0].json.data.output.temporary_image_urls[\n Math.floor(Math.random() * $input.all()[0].json.data.output.temporary_image_urls.length)\n ]\n};" }, "typeVersion": 2 }, { "id": "18f030a6-7333-45df-af1d-f8c5492084c6", "name": "Generation 3-view Image with GPT-4o-Image", "type": "n8n-nodes-base.httpRequest", "position": [ 1440, 520 ], "parameters": { "url": "https://api.piapi.ai/v1/chat/completions", "method": "POST", "options": {}, "jsonBody": "={\n \"model\": \"gpt-4o-image-preview\",\n \"messages\": [\n {\n \"role\": \"user\",\n \"content\": [\n {\n \"type\": \"image_url\",\n \"image_url\": {\n \"url\": \"{{ $json.random_temp_url }}\"\n }\n },\n {\n \"type\": \"text\",\n \"text\": \"Convert this image into a 3D figurine image, with front view, side view, and back view in one page. Generate a turnaround sheet showing the figurine’s front with full details, profile, and back views in left-to-right sequence. ar=10:3\"\n }\n ]\n }\n ],\n \"stream\": true\n}", "sendBody": true, "sendHeaders": true, "specifyBody": "json", "authentication": "genericCredentialType", "genericAuthType": "httpHeaderAuth", "headerParameters": { "parameters": [ { "name": "Authorization", "value": "Bearer " } ] } }, "credentials": { "httpHeaderAuth": { "id": "fsJeCNd9BkJ1CIrt", "name": "Header Auth account 2" } }, "typeVersion": 4.2 }, { "id": "4d758715-79d5-4c2e-94d2-d1cfe1bdda6d", "name": "Check if the URL is obtained", "type": "n8n-nodes-base.if", "position": [ 1840, 520 ], "parameters": { "options": {}, "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "id": "08a2ebe6-dc95-4b8a-ada1-1173645cc3f4", "operator": { "name": "filter.operator.equals", "type": "string", "operation": "equals" }, "leftValue": "={{ $json.finish_reason }}", "rightValue": "not_found" }, { "id": "ed245d42-677f-4465-a3f1-d23c6e609f5e", "operator": { "name": "filter.operator.equals", "type": "string", "operation": "equals" }, "leftValue": "", "rightValue": "" } ] } }, "typeVersion": 2.2 }, { "id": "690c002c-8641-4bb9-8c55-8b5cd6f01f2c", "name": "Get Final Output", "type": "n8n-nodes-base.code", "position": [ 2080, 540 ], "parameters": { "jsCode": "// Method 2: n8n workflow compatible version\nreturn $input.all().map(item => {\n return {\n image_url: item.json.image_url\n };\n});" }, "typeVersion": 2 }, { "id": "db38b578-1078-4a89-b429-55ba337a21fc", "name": "Get Image", "type": "n8n-nodes-base.code", "position": [ 1660, 520 ], "parameters": { "jsCode": "const chunks = $input.first().json.data.split('\\n\\n');\n\nlet imageUrl = null;\n\n// 反向遍历 chunks (从最新数据开始检查)\nfor (let i = chunks.length - 1; i >= 0; i--) {\n const chunk = chunks[i];\n \n if (!chunk.startsWith('data: ')) continue;\n \n try {\n const jsonStr = chunk.substring(6); // 去掉 \"data: \" 前缀\n if (jsonStr.trim() === '[DONE]') continue;\n \n const data = JSON.parse(jsonStr);\n \n // 检查是否包含图片标记（Markdown 图片语法）\n if (data.choices && data.choices[0].delta.content) {\n const content = data.choices[0].delta.content;\n const urlMatch = content.match(/!\\[.*?\\]\\((https?:\\/\\/[^\\s]+)\\)/);\n \n if (urlMatch && urlMatch[1]) {\n imageUrl = urlMatch[1];\n break;\n }\n }\n } catch (e) {\n continue;\n }\n}\n\nreturn {\n image_url: imageUrl,\n finish_reason: imageUrl ? \"success\" : \"not_found\"\n};" }, "typeVersion": 2 } ], "active": false, "pinData": {}, "settings": { "executionOrder": "v1" }, "versionId": "0e663ca1-c9b2-4fb2-a8bb-14ed8bb63d11", "connections": { "Get Image": { "main": [ [ { "node": "Check if the URL is obtained", "type": "main", "index": 0 } ] ] }, "Get Midjourney URL": { "main": [ [ { "node": "Verify URL Acquisition", "type": "main", "index": 0 } ] ] }, "Wait for Generation": { "main": [ [ { "node": "Get Midjourney URL", "type": "main", "index": 0 } ] ] }, "Get Random Image URL": { "main": [ [ { "node": "Generation 3-view Image with GPT-4o-Image", "type": "main", "index": 0 } ] ] }, "Midjourney Generator": { "main": [ [ { "node": "Get Midjourney URL", "type": "main", "index": 0 } ] ] }, "Verify URL Acquisition": { "main": [ [ { "node": "Get Random Image URL", "type": "main", "index": 0 } ], [ { "node": "Wait for Generation", "type": "main", "index": 0 } ] ] }, "Check if the URL is obtained": { "main": [ [ { "node": "Generation 3-view Image with GPT-4o-Image", "type": "main", "index": 0 } ], [ { "node": "Get Final Output", "type": "main", "index": 0 } ] ] }, "When clicking ‘Test workflow’": { "main": [ [ { "node": "Midjourney Generator", "type": "main", "index": 0 } ] ] }, "Generation 3-view Image with GPT-4o-Image": { "main": [ [ { "node": "Get Image", "type": "main", "index": 0 } ] ] } } }