Schnabel-car for Märklin

his model of a Schnabel - car is not based on a real prototype. It is an impressonate model which just show the typical shape of such a car and has a size to use on most regular layouts.
It uses the bogies used at the Märklin - cars 4617/4618. And the transformer-model which came with Märklin 4617.

Needed parts to complete the car:

Four bogies from Märklin 4617/4618 or other bogies with a 5mm hole. The couplers, buffers and the handrail must be removed from two (the inner) bogies.
Fo