The Modular Air Duct system is exactly what I was looking for my BIQU H2. However I wanted a slimmer version of the fan duct in order to fit on my BIQU Hermit Crab. This printable is remix of the DUCT4 - "MantaRey" mount.
17-Apr-2023: Uploaded the STEP files, as requested by a few people.
The author remixed this model.