Boxed Block Stitch
Multiple of 5, plus 3
Starting in the 2nd chain from the hook, work 1 SC. 1 SC into each CH across the row. CH 1 and turn.
Starting in the 1st stitch, work 1 SC. 1 SC into the next st, CH 3. *Skip three stitches, work 1 SC into each of the next two stitches. Repeat from * to the end of the row. CH 3 and turn. (Turning chain counts as a stitch.)
Starting in the space made by the chain 3, work 5 DC. Work 5 DC into each CH 3 space across the row, ending the row with 1 DC into the last SC. CH 1 and turn.
REPEAT ROWS 2 AND 3
See video tutorial below.