Originally Posted by
Geoduck
I haven't used these yet, still working on my first quilt, but they seem like a good idea! I got 2 so I could lay out the quilt and see how all 4 sides would line up.
This is not the exact photo - I got mine from alibaba.com.

What is this little gizmo called?
I am going to check out the video dunster suggested, and probably take my hubby to a hardware store (I won't even have to beg to go there!) and pick up the large square