https://www.thingiverse.com/thing:3245042
Anet A8 40mm Part Cooler Fan Duct
by ColdExtruder November 28, 2018
Model uploaded for ShaRepair Project
https://printcitysharepair.wordpress.com/
ShaRepair is a set of easily accessible digital tools designed to stimulate and facilitate citizen repair.
https://www.nweurope.eu/projects/project-search/sharepair-digital-support-infrastructure-for-citizens-in-the-repair-economy/