How easy is it to defeat a copyrighted image

[Acorn]

In making any B&W Mask, you need to be able to copy it and invert the two colours.

Here is one approach that turns a small B&W image into a repeating one for the Masks:



It is very quick to scale and rotate the pattern.
Copy and Paste Attributes into the second Mask and flip the colours.
Add a Multiply Transparency to make the White see-through.

Acorn