Plarail/Tomy/Trackmaster - “clam shell” Motor Disassembly - Reassembly Tutorial

Waves hand!!! I'm sure they could be printed

Thanks for the pictures Mr Ripley I'm looking to create a custom gearbox for a project I've got on the go. I've managed to source the metal shafts and various nylon gears (including worm gears), I just have to figure out the arrangement of the gears to get the step down I need so this helps