Everything is a copy of something.. the way someone puts those things together may be simulare..and usually there is in a life of 60-100 years you even see people who look like someone else and are no relation..yet are original in some way.. I see lots of designs I have seen before that are called original that I have seen somewhere before (if you look hard enough) yet were not copied at the time of their construction. I agree with all the above..Great Minds run alike
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RST has it right!