Model Railway Interlocking Concrete Blocks

When designing items, I'm always looking for new designs to add, during 2025 and the repair of the bridge on the SVR I noticed they used these concrete blocks to help repair the bridge and it made me consider doing them as a design. These concrete blocks are now found everywhere and have many uses, so I thought they would be a great addition for people modelling the modern era. When out and about, I have only ever seen one basic shape that is 1600mm x 800mm x 800mm, but on investigating and res…

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