How to vectorize AI-generated PNG images for Direct-to-Film (DTF) printing using Photoshop and Illustrator.

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Vectorize AI PNG for DTF Printing | Photoshop + Illustrator Guide

How to Vectorize AI-Generated PNG Images for DTF Printing

DTF (Direct-to-Film) printing requires clean, crisp images — especially when using AI-generated artwork. This guide walks you through preparing and vectorizing PNGs using Adobe Photoshop and Illustrator.

🧹 Step 1: Clean PNG in Photoshop

  • Open PNG in Photoshop
  • Duplicate Layer (Ctrl+J)
  • Use Select > Subject or Select > Color Range
  • Modify selection with:
    • Select > Modify > Contract (1–2px)
    • Select > Feather (0.5–1px)
  • Apply a layer mask to clean edges
  • Manually refine edges with the brush tool
  • Export as transparent PNG

✏️ Step 2: Vectorize in Illustrator

  1. Open cleaned PNG in Illustrator
  2. Go to Window > Image Trace
  3. Recommended settings:
    • Mode: Color or Black & White
    • Preset: High Fidelity Photo or 3 Colors
    • Enable Ignore White
  4. Click Expand
  5. Use Direct Selection Tool (A) to clean up shapes

🧼 Step 3: Final Vector Cleanup

  • Ungroup everything (Shift + Ctrl + G)
  • Shape Builder Tool (Shift + M) to merge areas
  • Delete unwanted fragments manually
  • Save as SVG or export 300 DPI PNG for DTF

🧠 Common AI Image Fixes

Issue Solution
Blurry edges Mask in Photoshop or vector trace with fewer colors
Too many colors Limit color count in Image Trace
Grain or texture Remove in Photoshop before Illustrator
Background artifacts Use Ignore White and clean in Illustrator
🎯 Pro Tip: Always generate AI images with minimal gradients and soft shadows for easier vectorization.
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