80mm Fan to DN75 HT-Pipe Adapter

thingiverse

I'm currently building a high-pressure air solar thermal collector and I found that HT-pipe (waste water pipe) is very affordable in Germany, so I decided to repurpose it as an air duct. To achieve the necessary airflow of about 50m³/h, I'll be using an old 80mm fan from a retired PC-PSU. I didn't want to use hot glue or duct tape to connect the fan to the ductwork, so I opted to integrate the fan into a pipe, similar to powered mine cart tracks in Minecraft. Now I have a powered HT-Pipe! Here's what you'll need: * An 80mm fan * 4x M3 nuts * 4x M3*35mm bolts * Optional: 4x M3 washers * One 75mm lip-seal (as seen in the images) Print Settings: Printer Brand: SeeMeCNC Printer: Rostock MAX Rafts: No Supports: No Resolution: 0.2mm Infill: 33% Notes: Print the upper part of the female connector with your cooling fan maxed out (75° overhang). How I Designed This I designed this project using Autodesk Fusion 360. The file is available here: http://a360.co/1LG9Igs The model for the 80mm fan comes from GrabCAD: https://grabcad.com/library/sunon-80mm-fan-1