I created window panels with an exhaust hookup so I could exhaust the fumes from my Xtool M1 Laser. I've included just the pipe connection panel here. You can then use cardboard and attach it to it to close up the gap in your window or you can print additional 10 inch section the same heigh as the panel here to close the window gap.

If you prefer you can also buy the design with the additional panels below.

https://hartdesignstudios.com/shop/ols/products/xtool-m1-window-vent-stls