Y-Carriage Steel for Hesine M505

First of all, fabricate steel plate (3mm), as shown on pic#2.
Then drill holes using the original carriage as a stencil (you can leave a 3 bearing, but I recommend 4).
Then print bearing gasket (3 or 4, one for each bearing). Gasket need to Heatbed not rested in the Y-motor.
You can use original belt attachment or print my with tensioner, but you need drill holes for it.