try crlaurance. they have all sorts of metal clips for glass.
if you're going to make one, try a 1" solid aluminium bar. cut a slot large
enough for your item 1/3 way through the bar. drill down the center. screw
through the center into your backing.
HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.