In latest issue of French model railway magazine Voie Libre there is a short article about building a model of the French narrow gauge Pechot bogie wagon converted to carry FT17s. Model is in approx 1/72nd scale, and actually uses one of my 3D printed models. I only found out when I got my copy of magazine. There is also a photo of the real wagon with tank on it, but photo actually dates from 1920.
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Mainly interested in narrow gauge railways, currently working a number of WW1 projects in 1/35 scale , website http://www.rue-d-etropal.com/