Vent Fan Generator

thingiverse

A 3d-printable bidirectional vent fan generator. Fan properties: - Highly parametric using OnShape - Bidirectional, it can work equally in both directions - As a vent fan, it is optimised for turning inside a cylinder duct - Easy to print, blades can be printed in "Vase" mode, giving them a very smooth surface Included STLs are for a “12x25” fan replacement: - Fan diameter: 110.00 mm - Fan height: 16.50 mm - Hub diameter: 37.25 mm - Hub depth: 15.00 mm - Nr of blades: 13 Printing: - Print each blade vertically in "Vase" (Spiralize) mode with a few layers of "Initial Bottom Layers" - Print the Hub - Glue together all parts Cura profiles are included as a starting point. Customise your fan in Onshape with your free account, no install needed. Link: https://cad.onshape.com/documents/b5b4c08f07304c4336b393c4/v/56cba9955ff8228687d90296/e/958f396311a712d69a6af0fb - Customise each (x) parameter and see the result - If necessary, correct the errors in items highlighted in red - Adjust the Root Fairing to give it a nice slope for "Vase" mode print - Customise the HubProfile sketch to fit your mount - Export STLs for Hub & Blade (just one blade as they are all the same) Have fun! :)