Experienced: charts only for lace

MATERIALS
150g of Soffio in color 616 Purple.
One pair size US 4/3.5mm needles.
One pair size US 6/4mm needles.
One size US 6/4mm circular needle, 40in long.

TENSION
20 sts and 26 rows to 4in measured over St st on US 4 needles.
20 sts and 24 rows to 4in measured over lace patt on US 6 needles.