4 mm scale
Designed to print in White Natural Versatile Plastic or Smooth Fine Detail Plastic
Adapted to suit the new Kato 11-110 chassis.
This is modelled on the Atkinson Walker units No1 & No2 originally built for the Clogher Valley railway in the early 1930s. It is designed to run on a modified Kato 11-104 or 11-110 chassis.
See my blog for details of how I put together the original version of the unit at,
https://modelengineworks.blogspot.co.uk/2016/06/009-articulated-rail-cars-truck.html