A nice gift or craft project.
Mix egg cartons, newspapers, seed, and optionally some food safe coloring with water, pour a bit of your mix into the skirt, and optionally press the water out with the help of the stamp.
Use the STEP files if you can. The stamp STL is a whooping 74 MiB in size due to all the holes and the clean filleting around the whole model.
The author marked this model as their own original creation.