I use 0.4 mm. Hook and thread embroidery.You can use the patterns as the small piece to nathua simply reduce size silk and needle down.But it cannot be used to make the patterns nathua smaller than 1 ".
I used 0.4 mm. Hook and embroidery thread. You can use the general pattern is small, just scaled down a needle and silk , but can not make a general pattern is smaller than 1 ".