It depends on fabric and volume. DTG prints directly into the fibre with a soft hand feel, but works well only on cotton with high cellulose content and needs pre-treatment. DTF transfers from a film and works on cotton, blends and polyester with good adhesion, but leaves a more visible layer.
For photographic prints on 100% cotton tees in small runs, DTG gives a more natural result. For blends, dark colours, polyester or several fabric types in the same order, DTF is more flexible. Ask for both tests on the real lot and compare after washing.
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