Unlike single cyclone, multi cyclone chamber captures micro scale dust in the upper reservoir thus enhance air quality for the work environment. Also protect from harmful concrete dust particules. No support needed. Model can be printed unsupported angle tolerence. exception for head of the unit(file named 48 cyclone.stl)
With extra turbulence to capture even finer dust particules.
test run on 7 cyclone https://www.youtube.com/watch?v=ny17wxGt4g8
optimize retraction settings for clean print inside and out