Add your tube again and place over the wanted sign. Using your rectangular selection tool . Pick out the center of the element where the picture would go, invert selections and delete the excess tube. change the tube blend to luminance.
Add paper1 and select a color from your tube. i chose #25b4df from the highlighted color of the blue layer of your tube.
Using your color changer tool flood fill the circles in your paper then apply Mask 109.
Merge group, duplicate and mirror.
Reduce the mesh element by 50%, then paste all over the canvas. merge them down and apply Mask 117
Add your name in a gradient , add your artist URL, CR and your license number.