After I had cut all my shapes out I had to peel off the bondaweb backing paper, they came off easily and in one piece. I didn't want to throw them away because I thought they would make some lovely masks. The paper is very fragile and would fall apart the first time I used them so I painted each one with gel medium to try and give them some strength.
It took a couple of hours to dry out and then I pressed them flat. At this point I was going to store them for another project when I realised I could use them to make another layer of interest on my cloth.
I sprayed the shape with spray mount to hold it firm on the cloth and then using a Markel Oilstick (white) I coloured in the shape. Then using an old brush I stroked the pigment all round the paper shape. The spray mount held the mask perfectly.
After removing the mask I was pleased with the result. I have heightened the colours so that you can see the outcome, it is actually more subtle than the picture suggests.
I can start laying my fabric shapes over these stencilled areas tomorrow. I'm enjoying this part of the project, the hard slog will be when I start stitching all my shapes down.