The tokens have embossed numbers inside of a recessed cavity. Using the OpenSCAD file will generate the tokens within a specified number range, and the rows are arranged in groups of 10 for organization purposes.
Customizable parameters:
STLs for 1-20 and 21-40 have been provided as a quick sample if these specs work for your needs. You can split the STL into individual objects in your slicer app if you need only some of them.