印材(即印坯)是篆刻艺术最基本的凭借材料。宋元以前制印大多用质地较为坚硬的金、银、铜、玉或水品、犀角、象牙、竹、木等为材料。及至元代.王冕始试以花乳石作印。由于花乳石质地细腻温润,且容易受刀,一时间成为擅长书画的文人治印的普遍用料。到了明代,石质印材越来越被印人广泛采用。石章质地松脆柔糯,易于受刀,加上刀法不同会产生出比其他印材更为丰富的艺术效果.所以深受历代篆刻家的青睐。此后印 Printed material (that is, printed blanks) is the most basic carving art with materials. Before the Song and Yuan Dynasties, most of the textures were made of materials such as gold, silver, copper, jade or water, rhinoceros horn, ivory, bamboo and wood, which were harder in texture. To the Yuan Dynasty. Wang Mian initial test flowers to print. Because of the smooth and delicate texture of the flower curl, and easily affected by the knife, for a time become good at calligraphy and painting literati Zhiyin universal material. To the Ming Dynasty, more and more Indian stone was printed material widely used. Stone chopsticks crisp texture, easy to be knife, coupled with different knife law will produce more than other printed materials richer artistic effect. Therefore, by the seal of all ages of all ages. After printing