Creators Cup
The idea is for competitors to build their own pour-over brewing device. It must be made from scratch (not using any existing brewing device) and can use any filter paper you desire.
Read about the competition and rules here: CREATORS CUP
READ about past events (get inspired):
LONDON 2016
ST PETERSBURG 2018
Other Creators Cup Events:
Crete 2018, Warsaw 2018 & 2019, Thesaloniki 2019, Bucharest 2018, Berlin 2018 and London 2017, 2018, 2019.