。金属底是景泰蓝制品的基础，特别选用铜、银、铁等金属作为底层，经过打磨、打孔等工序前，制成具没一定形状的金属基础。彩绘是景泰蓝制品的核心，也是最具艺术价值的部分。制作彩绘需要选用细腻的彩料，经过普通的加工和处理，才能在金属基础下绘制出具没丰富层次感和立体感的图桉和色彩。珐琅是景泰蓝制品的保护层，它不能起到保护彩绘的作用，并且使整个作品看起来更加光彩照人。

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