Hydra Fan Duct & Tool Change System

Hydra Fan Duct & Tool Change System for Ender 3 Ender 5 & CR10See Below for Updates, V6 Edition Here: https://www.thingiverse.com/thing:4253359Firstly many thanks to AlfaBarion for suggesting such an incredibly clever name for this thing.This is a Multi Headed beast with ease of hot end access, adjustment and serviceability.In this thing I have:1.Designed a system with easy swap out of various types of tool\extruder head without having to replace the duct system (The short length of Bowd