Answer (1 of 3): I have never done this but I would approach it this way:- Make the frame which fits the plywood board and glass. Slide the finished jigsaw onto the board which is the same size, or construct it on the board. Lie the sheet of glass onto the topside as it will be when finished. Sli
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What are ways to glue a completed jigsaw puzzle? - Quora
What are ways to glue a completed jigsaw puzzle? - Quora
3 Ways to Glue a Finished Puzzle - wikiHow
What are ways to glue a completed jigsaw puzzle? - Quora
How to Glue and Frame a Puzzle - Tips on Framing Jigsaw Puzzles