Print BOM:
1x House Side (Rivet or M4 Nut
1x Exterior Vent Cover
2x Clamp
Hardware BOM:
6x Wood screws (~20mm in length)
2x M4 flat head screws
2x M4 Rivet nuts or Hex Nuts
Wood as needed to fit your application
I designed this as a pass through for the exhaust vent of my DeLonghi portable air conditioner. I used the “House Side_Rivet” version in my application, which uses 2x M4 rivet nuts inserted from the back using a soldering iron. I know not everybody has those handy (you should, they're awesome and super handy), so I added a version with M4 nuts on the back ("House Side_M4 Nut"). I've never used this version, but I suspect it should work just fine. If not, report back and I'll adjust as necessary. You'll need supports for those nut pockets. Everything else prints without support.
For the exterior vent I used a height range modifier from 0-3.0mm and set that range to have 0 bottom layers and 0 top layers. This allows you to use your infill pattern and desired density for the grate that will be visible on the exterior.
As shown, everything is screwed into a 1x4 piece of painted pine using wood screws.
The author hasn't provided the model origin yet.