Calligraphy Duo Double-ended Markers - Set of 12colorful calligraphy marker set Having 12 colorful brush markers and chisel markers is an easy way to create fun and colorful calligraphy and brush lettering. You can use Calligraphy Duo Markers for your art projects, customizing greeting and birthday cards or any other uses where you need to write beautiful lettering. If you're starting out with calligraphy writing, take a look at our downloadable instructional sheets. These calligraphy printables