Templates / Redesign t-shirt mockups to print-ready files with GPT-4 vision & Imagen 4

Redesign t-shirt mockups to print-ready files with GPT-4 vision & Imagen 4

Needs changes

by Thong · 6,501 views · created 2025-05-09 · Content Creation, Multimodal AI

Needs changes. This template uses 1 thing(s) that n8n 3.0 removes: AI Agent v1 (old agent modes). 1 breaking item(s) found. Static check, last run 2026-10-19.

What this workflow does

This AI workflow has 9 nodes and runs when a chat message arrives. Along the way it connects OpenAI Chat Model and OpenAI. It also calls generativelanguage.googleapis.com over HTTP.

How it runs

Trigger: When a chat message arrives.

  1. If: checks a condition and branches into true / false
  2. Analyze image (OpenAI): analyze (image)
  3. AI Agent: runs an AI agent, with model: OpenAI Chat Model
  4. Code: runs custom JavaScript code
  5. Gemini Generate Image (HTTP Request): calls generativelanguage.googleapis.com (POST)
  6. Convert to File: converts data to a file (to binary)
  7. OpenAI: work with image

Services it uses

OpenAI Chat ModelOpenAI

HTTP calls to: generativelanguage.googleapis.com

Before you upgrade to n8n 3.0

1 thing in this workflow is removed in n8n 3.0. Fix it before you upgrade:

  • AI Agent v1 (old agent modes) in AI Agent (v1.9): replace with Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.

Rather not rewrite it? Many of these flows can be rebuilt in Make (free plan).

Removed in 3.0Replace with
AI Agent v1 (old agent modes)
AI Agent (v1.9)
Latest AI Agent node (Tools Agent). For SQL Agent, use a Postgres or MySQL tool with a recent AI Agent.

Nodes used (8)

From the author

🧠 What This Workflow Does This n8n workflow allows you to upload a T-shirt mockup design (even if it's rough or outdated), and automatically turns it into a refined, print-ready artwork using the power of AI. It starts with an image of a T-shirt design,…

Excerpt from Thong's description on n8n.io.

View the original on n8n.io → Check your own copy

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