I made this so i can reproduce the businesscard fast, you can only fit one but if you make to you can exchange them fast. You can use diffrent types of wood to build this one.
Load my file in XCS and look if my settings are fit for your laser, change them if needed and start the project.
Take your two pieces and glue them together, to do this perfectly use the scoring lines for the best fit. Place something heavy ontop for the best result.
When finished you could add some spray paint for a spicy result. You could consider two jigs for fast exchange and bulk projects.