Transform Image to Lego Style Using Line and Dall-E

Transform your images into unique Lego-style art directly from Line with this automated workflow. This n8n automation connects Line, OpenAI's DALL-E, and custom HTTP requests to provide a fun and engaging image transformation service. When a user sends an image via a Line webhook, the workflow first receives the Line message, then crafts a specific DALL-E prompt to convert the image into a distinctive Lego aesthetic. This intelligently generated prompt is then sent to OpenAI's DALL-E model, which creates the Lego-style image. Finally, the newly generated image is sent back to the user through Line using an HTTP request. This workflow is ideal for social media managers looking to create engaging content, marketing teams wanting to offer interactive experiences, or anyone who wants to quickly and creatively transform images without manual design work. It eliminates the need for specialized graphic design software or skills, saving significant time and effort while offering a novel way to interact with images.

5 nodeswebhook trigger254 views0 copiesAI

OpenAI

Workflow JSON

{"meta": {"instanceId": "c59c4acfed171bdc864e7c432be610946898c3ee271693e0303565c953d88c1d", "templateCredsSetupCompleted": true}, "name": "Transform Image to Lego Style Using Line and Dall-E", "tags": [], "nodes": [{"id": "82b62d4e-a263-4232-9bae-4c581db2269c", "name": "Receive a Line Webhook", "type": "n8n-nodes-base.webhook", "position": [0, 0], "webhookId": "2a27c148-3977-485f-b197-567c96671023", "parameters": {"path": "lineimage", "options": {}, "httpMethod": "POST"}, "typeVersion": 2}, {"id": "f861c4eb-3d4f-4253-810f-8032602f079b", "name": "Receive Line Messages", "type": "n8n-nodes-base.httpRequest", "position": [220, 0], "parameters": {"url": "=https://api-data.line.me/v2/bot/message/{{ $json.body.events[0].message.id }}/content", "options": {}, "jsonHeaders": "={\n\"Authorization\": \"Bearer YOUR_LINE_BOT_TOKEN\",\n\"Content-Type\": \"application/json\"\n}", "sendHeaders": true, "specifyHeaders": "json"}, "typeVersion": 4.2}, {"id": "da3a9188-028d-4c75-b23f-5f1f4e50784c", "name": "Creating an Image using Dall-E", "type": "@n8n/n8n-nodes-langchain.openAi", "position": [860, 0], "parameters": {"prompt": "={{ $json.content }}", "options": {"returnImageUrls": true}, "resource": "image"}, "credentials": {"openAiApi": {"id": "", "name": "[Your openAiApi]"}}, "typeVersion": 1.7}, {"id": "36c826e5-eacd-43ad-b663-4d788005e61a", "name": "Creating a Prompt for Dall-E (Lego Style)", "type": "@n8n/n8n-nodes-langchain.openAi", "position": [540, 0], "parameters": {"text": "Creating the DALL\u00b7E 3 prompt to transform this kind of image into a isometric LEGO image (Only provide me with a prompt).", "modelId": {"__rl": true, "mode": "list", "value": "gpt-4o-mini", "cachedResultName": "GPT-4O-MINI"}, "options": {}, "resource": "image", "inputType": "base64", "operation": "analyze", "binaryPropertyName": "=data"}, "credentials": {"openAiApi": {"id": "", "name": "[Your openAiApi]"}}, "typeVersion": 1.7}, {"id": "3c19f931-9ca0-4bd7-b4eb-1628d89bbba1", "name": "Send Back an Image through Line", "type": "n8n-nodes-base.httpRequest", "position": [1160, 0], "parameters": {"url": "https://api.line.me/v2/bot/message/reply", "method": "POST", "options": {}, "jsonBody": "={\n \"replyToken\": \"{{ $('Receive a Line Webhook').item.json.body.events[0].replyToken }}\",\n \"messages\": [\n {\n \"type\": \"image\",\n \"originalContentUrl\": \"{{ $json.url }}\",\n \"previewImageUrl\": \"{{ $json.url }}\"\n }\n ]\n}", "sendBody": true, "jsonHeaders": "{\n\"Authorization\": \"Bearer YOUR_LINE_BOT_TOKEN\",\n\"Content-Type\": \"application/json\"\n}", "sendHeaders": true, "specifyBody": "json", "specifyHeaders": "json"}, "typeVersion": 4.2}], "active": false, "pinData": {}, "settings": {"executionOrder": "v1"}, "versionId": "", "connections": {"Receive Line Messages": {"main": [[{"node": "Creating a Prompt for Dall-E (Lego Style)", "type": "main", "index": 0}]]}, "Receive a Line Webhook": {"main": [[{"node": "Receive Line Messages", "type": "main", "index": 0}]]}, "Creating an Image using Dall-E": {"main": [[{"node": "Send Back an Image through Line", "type": "main", "index": 0}]]}, "Creating a Prompt for Dall-E (Lego Style)": {"main": [[{"node": "Creating an Image using Dall-E", "type": "main", "index": 0}]]}}}

How to Import This Workflow

1Copy the workflow JSON above using the Copy Workflow JSON button.
2Open your n8n instance and go to Workflows.
3Click Import from JSON and paste the copied workflow.

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