I started with a felted wool blanket. Wish I could find more of these but they are getting hard to find.
Two square in different sizes. The larger will be for the top of the piece.
Soaking in a bath of vinegar water. The vinegar is the "acid' mordant of the acid dye
Of course I waited til I used the mixed dye before taking the picture. I mixed the yellow with drops of blue to make the green.
In an oven proof dish in the vinegar and dye bath. Now I just have to cover with cling film and punch some holes to allow the steam to escape.
Five minutes on 50% power should do it.
This is the blue
I know they seem a bit bright but I will tone them down and correct the color with needle felting.