About this 3D model

This is a ring to install inside Cooler Master Sickleflow fans to improve the performance by reducing blade tip losses. It reduced the GPU temperature in my mini Nuke PC case by 4°C. The fan: https://rover.ebay.com/rover/1/711-53200-19255-0/1?ff3=4&toolid=11800&pub=5575353675&campid=5338226872&mpre=https%3A%2F%2Fwww.ebay.com%2Fitm%2FCoolerMaster-SickleFlow-120mm-Silent-Green-LED-Case-Fan%2F311332098740%3Fhash%3Ditem487cd6d2b4%3Ag%3AqswAAOSw7H1ZlCxH The ring might fit other 120 mm fans with excessive tip gaps as well. Ny printable Nuke case can be downloaded here for a small fee: https://cults3d.com/en/3d-model/various/nuclear-bomb-pc-case-nuke The photo of the ring installed is an early test version of the ring. The updated version is slightly different for improved fit.