Split Pitchcar Looping

This was a project for a good friend. He asked for a print of some pitchcar looping found here, but I didn't like the idea of wasting time and material due to a lot of support (not even speaking of the problem how to remove support after print).

So we discussed many variants and finally decided for a horizontal split approach.

We used the base plate made by krusa27 and build the looping from scratch (I wonder now why we used the base with the guard rail - guess the version without didn't exist then).

A slight drawback now is that the layers result in a rougher surface in the flat areas of the slope. I suggested to varnish and/or sand the runway, but my friend has assured me it works well without post treatment.

We thought a lot about how to fix the two halfes firmly together. I first tried made three "balconies" similar to the actual design and tried to fill the space with a 2 cm brigde. Normally this can be printed, but cura did not recognize it as a bridge structure and s