Concrete Pump Truck Paper Model

On construction sites, sometimes a concrete pump truck is used to pour concrete in hard to reach places. A flexible boom on the back of the truck allows liquid concrete to be pumped to considerable heights and also up and over obstacles. This papercraft pump truck is offered as a free download on the Mansei Restaurant (Tokyo) website. As you can see from the photos, the boom arm and stabilizers are movable. Concrete pumps were first invented by European engineers in the 1920's and 30's.

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