My solution came when my son needed a new mattress. I noticed there was a foam pad between the upper mattress and the springs. I cut out the entire full mattress pad before deposing of the rest of the mattress.
I cut the mattress into strips and first cut it with an old food processor. Finally I decided to use a coffee grinder to make the pieces finer. I dyed the pieces various shades of green with Rit dye.
I mixed the colors together.
I have been creating layers to give a fuller affect. I have used nearly all of the mattress pad now.
Let's see your pictures.
Scott Smith