Cooling Fan: Toroidal vs Normal

The fan I used: amzn.to/3KdOP3r

Printed with this printer: snapmaker.sjv.io/9g70NE
This is my favorite 3D printer: shareasale.com/r.cfm?b=2354729&u=3877433&m=138211&…
My design software: www.jdoqocy.com/click-101319051-14353972

My fan design: www.printables.com/pl/@NikodemBartni_466775/models

Toroidal propeller on a $25 cooling fan? I am testing the differences to see if this is a feasible idea!

Check out my CNC machine: indystry.cc/about-indymill/
Indystry: indystry.cc/
Patreon: www.patreon.com/nikodembartnik

Instagram: nikodembartnik