Poker Chip Racks For A Project, How Would You Glue And Press Poker Cards Together? And- In A Curved Shape?

For a project, how would you glue and press poker cards together? And- In a curved shape? - poker chip racks

I try to do poker chip racks of old letters that he played too much, declined.
So, what glue would work?
After the inlays, I imagine that paper mache, so it flat on the floor ...
Thank you for your ideas and experiences!