I made a fan shroud for the BigTreeTech Octopus Board :)
A simple mod to cool your fans on your octopus board
Files:
The printed files have fan holes with 3mm diameter so you can tap screws into the plastic.
The CNC files have fan holes with 2.6mm diameter so you can thread the metal.
Bill Of Materials:
M3x10mm - 12
25-30mm, 3mm ID, 6mm OD Standoffs (Situational) - 4
M3x40mm Screws (For Standoffs) - 4
4010 Axial Fans - 3
More details and downloads on the Printables page!
https://www.printables.com/model/1001314-bigtreetech-octopus-board-driver-fan-shroud-for-no