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How to make curtain panels
Decide how long and how wide you want your curtains to be.
The curtains should be a few inches than your window. They can be the same length as your window or a little longer; they can even go all the way down to the floor.
Here are some common curtain lengths to get you started : Floor-length curtains are ideal for a formal dining room. Curtains that touch and puddle on the floor work great for a family or living room.