True Colours

The warp is made of several art yarns, using different techniques. Part of the yarns are spun from roving. The roving is dyed in the oven. The dyes are distributed over the roving in rainbow order. The locks are extra-long Wensleydale also dyed in the oven.
For the weft, mainly core-spun yarn and the same artyarn is used as the warp.
 
The Making of True Colors
https://www.youtube.com/watch?v=vuKrVVM1dAQ&t=1s