Marble Exercising Machine - Part 13 - Railway Bridge

This part of the Marble Exercising Machine is the Railway Bridge.

The components needed are one of each of the above stl files except:
Fishplate - 2 off

And 'common components' from part 1:
M6x10 cap screw - 9 off

Assembly Video: https://youtu.be/m26Ko_Dt1WI