How wide is the photographic set?

How wide the cloth is depends mainly on what you want to shoot.

Patting dolls and bags like me is similar to1.5m *1.5m. Wedding dress, or a word to see how you shoot. If you want a full-body effect, it's best for two people to stand on the set without revealing the debris behind. The rest depends on your post-processing.

This is from the perspective of saving money, hehe.

If the conditions are good and you are willing to invest, you can also consider buying a whole wall.