There are a few ways:
1. make sure the pressure is not to high - light to medium usually works best;
2. you can carefully tear the paper edges off around the image - it will leave much less impression on the fabric;
3. use an insert/foam pillow to lift the area of the shirt you are pressing onto and make sure it's a little bit bigger than the design, but smaller than the transfer itself - this way the egdes of the paper will over-hang the insert and will not come into contact with the fabric at all.
There are quite a few threads about it in dye-sub section of the forums - just do a search on " press lines" or " paper lines".
Good luck with it!
1. make sure the pressure is not to high - light to medium usually works best;
2. you can carefully tear the paper edges off around the image - it will leave much less impression on the fabric;
3. use an insert/foam pillow to lift the area of the shirt you are pressing onto and make sure it's a little bit bigger than the design, but smaller than the transfer itself - this way the egdes of the paper will over-hang the insert and will not come into contact with the fabric at all.
There are quite a few threads about it in dye-sub section of the forums - just do a search on " press lines" or " paper lines".
Good luck with it!
