New loco in progress 040 prototype

[TheGlenhillsRailway]

Scratch built all metal 3mm chassis 1.5mm steel body all the chassis is welded together.
It is 4kg in weight with 3d printed interior cab just in the middle off making bonnet and Roof runs on 14.4v battery
And runs on motors

775 Motor High Speed 80W High Power Torque Extension Shaft 12V24V Dc Motor Diy Electric Drill Cutting Machine motors​

 

[Northsider]

That's a piece of kit! All that low down weight will give it quite some pulling power. How did you cut the steel? Milling machine, or laser cutter? It looks very neat.