Two versions - 40mm dia or 40mm square.
0.4mm nozzle - 0.2 layer height
Change of filament color 2.2mm to white and 2.8 to another color
It is good idea to print two of each and glue them (back-to-back) together using Super Glue. It makes them two-sided which looks much better for me.
The author marked this model as their own original creation.