parametric bitfan
thingiverse
Denise Lee's "OpenSCAD Turbine Propeller Generator (https://www.thingiverse.com/thing:2187837/) adapted for experimental use as a bitfan (idea by the folks at https://othermachine.co/). Theoretically this could be used for endmills of any diameter. See the original stl here: http://blog.othermachine.co/introducing-the-bit-fan-a-new-othermill-accessory-you-can-make http://resources.othermachine.co/hubfs/Images/Blog_Images/Bit_Fan/BitFan.stl?t=1494012725504&_ga=2.87433944.1564947226.1494192939-462624685.1494191917
With this file you will be able to print parametric bitfan 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 parametric bitfan.