Treadwheel Crane
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A **treadwheel crane** (Latin: magna rota) is a wooden, human powered, hoisting and lowering device. It was primarily used during the Roman period and the Middle Ages in the building of castles and cathedrals. The often heavy charge is lifted as the individual inside the treadwheel crane walks. Source: Objaverse 1.0 / Sketchfab
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Zenodo创建时间：
2023-12-28
