Summary

This is a Fiesler 167 which was a torpedo bomber designed to be used on the in-construction KMS Graf Zeppelin but with the ship never being finished the bombers were never went into production

this is a modified version of ghukek's model on Cgtrader
https://www.cgtrader.com/free-3d-print-models/miniatures/vehicles/german-fi-167-torpedo-bomber-aircraft

The torpedo is offwhitetiger's "1:300 torpedo"
https://www.thingiverse.com/thing:3366755