- Monkey Wrench 1. Cut the pieces. From background fabric (white) cut the following: 2 5/8 X 2 5/8 inch square--cut 2. These are your A squares. 3 7/8 X 3 7/8 inch square--cut 1, then cut diagonally to make 2 triangles. These are your B triangles. 5 X 5 inch square--cut 1, then cut diagonally to make 2 triangles. These are your C triangles. 6 7/8 X 6 7/8 inch square--cut 1, then cut diagonally to ...www.portup.com/~hjbe/quilt/monkey.html