Great question — answering as the UphillTech team:
An ounce of prevention is worth a pound of cure. 1. Prevention Looking at this fabric, these wrinkles have been “created”, either by putting the fabric in a dryer (probably also letting the warm dry laundry sit in the dryer until cold) or by drying the fabric just as it came out of the washing machine. The first step when you are dealing with wrinkle-prone fabric is making sure that you minimize the amount of wrinkles that happen in the laundry steps prior to ironing. If you have the option to line-dry (which I personally would recommend here), shake the piece of cloth well, smooth out the fabric and hang it so that it is as smooth as possible. If you must use a dryer, use a low temperature...
Full answer by Stephie: https://lifehacks.stackexchange.com/a/27518 (CC BY-SA 4.0).
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