Small Picture Frame Clamp

You need to print four of these to make the complete clamp.
One hole is tapped for a 1/4-20 thread one inch deep. The
other hole is sized to pass 1/4" rod through.

Hardware required:
(4) 1/4-20 all thread rod, length determined by your picture
frame size. Add 4 inches for minimum length rod required.
(4) 1/4-20 hex or wing nuts
(4) 1/4" flat washers placed under the nuts