140mm Fan duct
thingiverse
The 140mm fan duct is specifically designed as a funnel to cool the quadcopter's VTX when it's on a workbench. A .sldprt file has been included for anyone who needs to modify it to accommodate a different fan size.
Download Model from thingiverse
With this file you will be able to print 140mm Fan duct with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on 140mm Fan duct.