3dr fan adaptator
thingiverse
You can use an adapter to fit a 70mm fan onto RichRap's 3DR printer.
Download Model from thingiverse
With this file you will be able to print 3dr fan adaptator 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 3dr fan adaptator.