Reply To: how to secure plexiglass – ideas needed Home › Forums › LUG discussions › how to secure plexiglass – ideas needed › Reply To: how to secure plexiglass – ideas needed October 16, 2014 at 5:57 pm #8265 Greg SchubertParticipant How about these? http://www.industrialsheet.com/pages/Joiners.htm Some of these joiners also solve the problem of the corners.