Round Hanging Frame

I designed a hanging frame to house a 6" plexiglass blank. (I'll be painting the plexiglass) The frame is 162 mm x 162mm.A 6" plexiglass blank that is 1/8" thick fits in between the two pieces perfectly, snug enough to not even need to add glue, etc. But hang at your own risk if not adding glue. I did not add anything to secure as the pieces fit perfectly. The hanging holes are on the piece that is meant to be the back, to sit flush against the wall.