Model Railway Concrete Drainage Pipes

Concrete Drainage Pipes are used all over the world for drainage and are perfect for a construction scene. After searching the internet for some technical drawings to create these designs I decided on two sizes to model. I may do a large pipe design at a later date.These designs were taken from an imperial design. The pipes in real life are 8ft long (2.4m), the diameter is based on the internal dimension and I choose 12inch (300mm) and 18inch (460mm)The pipes are modeled in OO scale and are app…

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