Thanks for the comments Bluesheart ... regarding any copyright issues, I have done the research on it and there are a few loop-holes that apply. I do not make a profit on the art.. #1... and as long as the end user doesn't sell the unit for a profit then the copyright doesn't apply.
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I'm curious if there are copyright issues if you are selling these? I would imagine that would be something very unpleasant to get tangled it!
Very cool!