Magnetic Stirrer

This DIY magnetic stirrer, I had 90% of the parts already in my house (only purchased the stirrer bars/pills). But If you don't have all the parts, they are all pretty cheap and you can purchase them on the links below.

Any 60x60x20 fan

7Pcs/set Magnetic Stirrer - Stirring Bar
http://s.click.aliexpress.com/e/EQ4kudlW

Cooling Fan Speed Controller
http://s.click.aliexpress.com/e/OKsaksiU

Magnets:
http://s.click.aliexpress.com/e/mckjfh4k

Switch:
http://s.click.aliexpress.com/e/NGdwaaoC

5.5 x 2.1mm DC Power Supply Jack:
http://s.click.aliexpress.com/e/K78t4tb2

PLA Filament:
https://www.amazon.com/gp/product/B07Q82HVTT/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B07Q82HVTT&linkCode=as2&tag=mioduk-20&linkId=77ec0f24b8fae9acce87177a313408ac

Tevo Tarantula Pro:
https://www.amazon.com/gp/product/B07Q82HVTT/ref=as_li_tl?ie=UTF8&camp=1789&creative=9325&creativeASIN=B07Q82HVTT&linkCode=as2&tag=mioduk-20&linkId=77ec0f24b8fae9acce87177a313408ac

Elego