With just a bit over 20 cm's of length, easily fits into the print volume of most printers, but also easily covers one turn of movement for most characters. Also, because the numbers extrude upwards rather than inwars, really easy to print colored even without any kind of multi material printer.

Gcode for MK3 already with the color change.

Slice with z-hop disabled or there will be stringing around some of the numbers