Who is the patron saint of sewing?

There is no patron saint of knitting. However, there are a number of patrons of weaving:

Patrons of weavers
Anastasia
Anastasius the Fuller
Anthony Mary Claret
Benno
Crispian
Crispin
Maurice
Onuphrius
Parasceva
Paul the Hermit
Radegunde
Severus of Avranches
Ulric