I recently purchased a Bird Buddy® connected bird feeder. It comes with a standard mount that fits a 25mm diameter pole.

I found a wooden rod with that diameter in my workshop but I did not want to stick it directly in the ground of my garden, fearing it would rot too fast and would not stand right.

So I designed this 10cm high anchor that I burried and covered with soil. It stabilizes the stick and prevents it from being in direct contact with soil.

Four holes on the horizontal plate can be used to attach the anchor with screws on a solid surface like a wood plank or concrete (I'm not sure it would be sturdy enough but you can try).

Since it will be exposed to strong humidity and the piece can be submitted to heavy constraint, PLA is not an option and PETG is required.

Prusa

I3 MK3S

No

No

0.3 (draft)

10%

Don't use PLA. Too brittle for the job and not adapted to outdoor conditions.
PETG is the good choice for that usage.
It is quite a large item and the looks does not matter so 0.3 layer height is a good setting to me.