
Don’t Eat It!
The red color of seal ink comes from the mineral cinnabar, which is then made into the color known as vermillion—and it’s poisonous.
My random notes on Chinese-style seal carving.

The red color of seal ink comes from the mineral cinnabar, which is then made into the color known as vermillion—and it’s poisonous.

If you sand down your seal stone for any reason don’t use too fine a grit of sandpaper.

Unless you’re working on a very hard stone I suggest you wrap your seal stone in a bit of cloth, tissue, or soft leather before you clamp it into your seal vise.

Although usually translated into English as a seal ruler (印規 yingui) this tool has nothing to do with taking measurements.

Seal ink is a mixture of (commonly) red pigment mixed with oil and bound together with fibers—usually silk or plant fiber.

If your seal knife blade gets chipped, the traditional method to repair it is to have a piece of sandpaper handy.

Most seal carvers keep an old toothbrush handy for use in sweeping stone dust out of the grooves while they carve a seal.