Design A Stamp in Tinkercad
How to Design as Stamp in Tinkercad in 5 Steps.
Here is a video showing my process for leveling my print bed on the Ender 3v2.
Here are the general steps (in the video I forgot to show preheat PLA until part way in):
Here is a quick example of how to make a coin using text that is raised on a very flat cylinder.