Nice... I've been using your light meter for ages. I included a five-ball version as a prop in one of my gallery images, and asked viewers to guess what it was. Someone guessed juggling balls, someone else guessed another kind of toy, for adults...

This improved version is brilliant... thanks!

"If I were a shadow, I know I wouldn't like to be half of what I should be."
Mr Otsuka, the old black tomcat in Kafka on the Shore (Haruki Murakami)