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    Scratch Building Tunnel Portals with Martin Tarnrot

    In this video lesson, modeler Martin Tarnrot demonstrates how he scratch builds tunnel portals for model railroad layouts. Martin uses two inch thick styrofoam to create his portals. Thin styrofoam sheets are also a good alternative if you don’t want to cut the foam yourself. To cut the foam, he uses a styrofoam cutter he…

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