This piece is woven using white & light green 5/2 mercerised cotton & black 8/2 mercerised cotton as the warp (16epi) with white & various colours of 5/2 mercerised cotton & black 8/2 mercerised cottons for the weft (~16ppi).
The weft was woven using plainweave (13, 24) as follows:
2 picks and hemstitch in blue
*4 picks blue
~6.5cm DLDDL
4 picks light blue
~6.5cm DDLLL
4 picks yellow
~6.5cm DDDL
4 picks orange
~6.5cm DDL
4 picks red
*~6.5cm DDLL
Repeat * to * 4 more times
4 picks blue
2 picks and hemstitch in blue