Hobbs - Tuscany Supreme Unbleached Cotton Batting QUEEN 96x108 Needle Accessories From the sewing machine whisperer

From the sewing machine whisperer comes this in-depth

No more uneven 5" strips

Use the black 45 degree angle to trim half-square triangles in half inch increments

stitched in two hoopings

which she describes in the book's technical section

Hobbs - Tuscany Supreme Unbleached Cotton Batting QUEEN 96x108 Needle Accessories From the sewing machine whispererTuscany SUPREME Unbleached 100% Cotton Batting 96x108 Queen. Quilts beautifully by domestic or long arm machines. Thick, super soft and cuddly, breathes naturally. Ideal for medium or dark fabrics. Quilters may quilt up to 3 4" apart. Washable shrinks 5 6% (The closer and more densely you stitch, the less shrinkage you'll experience). Approximate loft: 1 8". Max distance between stitches: 4". #TUS4596