Brio train with interlocking brick adapter dw

Modified originators design with slightly different train car couple mechanisms so train cars stay hooked together better on brio track hills. There are two different body sizes, one short and one long for different size interlocking bricks. The engine body brick was designed to fit on the long body. Axel Holes where reamed with size A drill bit so axels spin more freely. Printed on P1S with PLA filament.