'absgrommet.stl' is the whole thing, and 'absgrommet-half.stl' is (shockingly) the model sliced in half. This lets you slip it around the wire in-situ, rotating the seam vertically with respect to the clip opening. I'll try to remember some pictures next time I'm at the garage!
Here's the suggested print orientation (overhangs mostly work themselves out): I printed these in whatever 95A TPU I had laying about
Edit: Kroon make a more faithful reproduction, but at 11 euro/ea!
