封檢（封泥匣） Wooden Cover (Sealing Clay Case)

在紙張普遍使用以前，印章大多用於封泥上，配合不同形制的封檢，用以封緘書信、物件等。此封檢原理示範裝置3D 模型由香港中文大學圖書館製作（另有[印章模型](https://bit.ly/bstseal3d_seal)可配合使用），參考東京國立博物館製作、該館研究員谷豊信先生主持之[影片](https://bit.ly/tnmseal)設計。 **3D打印指南** - 3D打印機：Creality K1C - 支撐：不需要 - 層高：0.24毫米 - 填充密度：20% Before paper became widely used, seals were mostly impressed on sealing clay put in a wooden cover (封檢) on letters and objects. This 3D model (can be used with this [seal model](https://bit.ly/bstseal3d_seal)) was created by The Chinese University of Hong Kong Lib…

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