Cooling solution for Optoma HD28e projector.
The projector is indeed cooler and should prolong the lamp life.
3D printed connector for an 80mm x 80mm x 10mm USB fan

• Print and use at your own risk -

(NOT AN AFFILIATE LINK - https://www.aliexpress.com/item/4000088777368.html?spm=a2g0s.9042311.0.0.75904c4dXhH3vZ)

Parts -
4x M4x16mm screw
80 x 80 x 10mm USB fan

disclaimer: This has been modeled for the Optoma HD28e, but will probably work for other models as well. I included a .STEP file for you to modify for your version.

Hope you find this useful, contact me if there are any problems :)

Creality

CR-10S

Doesn't Matter

No

0.2

15%