Tattoos are created by injecting ink through into the skin. Tattoo artists accomplish this by using an electric powered tattoo gun that almost sounds like the drill a dentist uses. The tattoo gun has a needle that moves up and down,
A very well detailed Triangle Glyph Tattoo. You can see that the pink flower is fully colored within the glyph triangle symbol as it slowly branches out into the less colored parts of the flower as the colors are only concentrated in the center.