How to Use SVG Files for Sublimation Printing
SVG files power sublimation designs — convert to high-res PNG, mirror it, print with sublimation ink, and heat-press onto polymer blanks for vibrant permanent prints.
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SVG to Sublimation Print Workflow
SVG files must be converted to PNG for sublimation printing (sublimation printers accept raster files). Export your SVG at 300 DPI minimum, mirror it horizontally, then print on sublimation paper.
- Export SVG from Inkscape or Illustrator as PNG at 300 DPI minimum
- Mirror horizontally before printing (design prints in reverse)
- Print on sublimation paper with sublimation ink
- Heat press at the correct temp for your blank material
Temperature and Time Settings for Sublimation
Sublimation temperature varies by blank material. Always test on scrap. Use a heat-resistant tape to secure the paper to the blank and parchment paper as a cover sheet.
- Mugs: 375-400°F for 3-4 minutes in mug press
- Shirts (polyester): 385-400°F for 50-60 seconds
- Tumblers: 385-400°F for 60 seconds in tumbler press
- Hard blanks (phone cases, tiles): 400°F for 40-60 seconds
Frequently Asked Questions
Can I sublimate directly from an SVG file?
No — sublimation printers require raster formats (PNG or JPEG). Export your SVG as a 300 DPI PNG first.
Why does my sublimation print look faded?
Common causes: wrong temperature, too short press time, low-quality sublimation ink, or blank is not polyester-coated.
What colors show best in sublimation?
Vibrant, saturated colors — especially blues, reds, and purples. Sublimation cannot print true white; white comes from the blank itself.
Can I sublimate on a cotton shirt?
No — sublimation only bonds to polyester or polyester-coated surfaces. For cotton shirts, use HTV or DTF instead.
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