I'm interested in adding a wood frame from Delphi to frame my stained glass panel 9" x 36". I wanted the frame to be 1" wide oak from Delphi What type/ size of came channel (?) do I need to fit in the wood frame routing so it is completely concealed when constructed?

Currently working on a large round Start of David. it will be about 4 diameter round (Came on perimeter and copper foil on interior What is best way to hang/ reinforce it? might be about 30 lbs? Thank you Ron Z