This is the silver point sketch paper. The silver needle pen sketch is a work drawn with an elongated silver rod or silver wire on plaster or primed paper. Ancient craftsmen and artists often used it to write and paint. Metal pen needles can write on soft. In contemporary art,silver needle pen art has quietly revived in some European artist communities and art academies. This painting medium is loved by modern people because it is not easy to erase, corrode and change color. At the same time, it also requires drawing artists to experience a very rigorous experience. Training.