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Hey! This thing is still a Work in Progress. Files, instructions, and other stuff might change!
Z80nm

Customizable Centrifugal Fan Generator

by Z80nm Dec 23, 2014
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the casing is it customizable?

Yup! iirc, the casing is generated based on the tolerances you specify in the customizer, which are used alongside the propeller (impeller?) parameters to generate the actual casing dimensions. You can take a look at the .scad file if you'd like to see exactly how the values interact, as I've long since forgotten. There should be a dropdown that lets you select the object that you want to generate.

im a real newbie with openscad i can see the fan itself in my saved files but not the casing of it sorry for my newbieness:)

No worries! unfortunately I was also once a newbie and the way I wrote this requires that you actually make 3 separate remixes, all of them with the same settings with the exception of the drop-down I alluded to earlier. Hopefully I can get around to fixing it, but I can't promise it'll be changed anytime soon.

Hi nice design.

Could you add Hole to screw the lid on the case ?

Life started picking up a while back, so i don't have any plans to add parametric fasteners for the time being. If you're still interested in using it, I'd recommend using glue or adding some holes to the model manually after you've generated the case files.