"Pochod Praha-Prčice" is biggest hiking trip in Czech republic. It is held every year on the third weekend in May since 1966 year. The longest route is 70 km, the shortest 30 km. All routes finishing in village Prčice. Participation is around 20,000 people.
The reward for completing the trip is a traditional plastic shoe, each year in a different color. Longest route has an additional reward too (in 2015 e.g. second porcelan shoe).
Here you have model of this shoe (shape is by original from 2017) with some diferent text/image - 2018, 2050, 3000, 1966-2018, 1966-2066, bike, snowflake, hand, empty. Empty variant you can use for own text/image.
Resolution: 0.1mm (0.2mm nozzle)
I tried to print it using 0.4 nozzle - small circles were not good, 0.2 nozzle is better (you can try 0.25 or 0.3).
Shoes on images is printed from ABS (PLA or other materials can be used).