33-1/4" x 43-3/4" Large Twister Owl Quilt with a pinwheel "twist "... designed by Amy Newman.
The smaller owl quilt pictured is just "pieced" and not twisted - NO tool needed to make the 21" x 27" pieced quilt.

The Large Twister Owl Quilt quilt uses 3" finished squares and the Primitive Gatherings Primitive Pinwheels tool to "twist pinwheels".
A smaller sized quilt of 19" x 25" (not pictured) may be made with 2" finished squares & the Primitive Gatherings "Itty Bitty" Primitive Pinwheels tool to "twist pinwheels".

The Primitive Gatherings tools are sold separately below.