Syndikate Co. from Poland showed the assembly of its 3D-printed 1/35 scale model of the German 1915 project - the armored carriage by engineers Aubriot and Gabet, which moved thanks to an electric motor powered by an electric cable trailing behind it:
Fortin Cuirassé Automobile à Traction Électrique Aubriot-Gabet
This is partial text from the full article (usually with photos) at https://armorama.com/news/electric-armored-carriage-by-engineers-aubriot-and-gabet