I recently made two string quilted blocks for a sampler quilt that I am working on and the directions said to choose a block size, mine was 12", and measure diagonally across the middle, cut a strip 1 1/2" wide and length of fabric, lay it down, right side up on a backing and batting , lay 2nd strip on top of first strip, right sides together, sew down right hand edge with 1/4" seam through backing and batting. Turn top strip right side up, trim strip ends, finger press seam, place next strip on top of previous strip, right sides together, sew, turn and finger press. Continue on till the square is filled from center to edge. Repeat for other 1/2 of square.
It was one of the easiest blocks in the quilt even though I had never made one before.
Will attempt to post pics of blocks
Marybeth