Mega Whirlwind Whiz quilt tool by Nancy's Quilt Designs for Quilt Woman
When a pattern calls for cutting squares into quarater square triangles and sewing
those triangles together, Stop. Use the Whirlwind Whiz tools instead. There is
no need to change the size of the square patterns call for either!
Just 3 easy steps to make quarter square triangle units.
1. Draw lines on stacked squares
2. Sew on the lines
3. Cut the squares into 4 sections
The MEGA Whirlwind Whiz can make up to 16" blocks