Laser Window Vent for 2.5 inch hose and 80mm fan

It's a flange for a 2 1/2 inch exhaust hose I'm using to vent fumes from my laser. Prints as positioned in STL with no supports. A 80mm fan fits in the back.

The hose I bought: https://www.amazon.com/gp/product/B001JBANX8/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1

Print Settings

Printer Brand:

Creality

Printer:

Ender 3

Rafts:

No

Supports:

No

Resolution:

300

Infill:

30

Filament: Any PLA Any