The Two-dimensional Vectrometer - A mouse alternative

    While meandering the internet I found a  cool roller mouse from Judy of the woods ( http://www.judyofthewoods.net/diy/ergonomic_mouse.html ). I fancied a go so I made the first of my Two-dimensional vectrometers!

     The important bits of an optical mouse are just under the green cover, the red coil of wire slides up and down the copper pipe for vertical and rotates for horizontal movement, a couple of levered micro switches for the buttons. It's sturdy enough to use on the sofa without fear it'll be broken by falling off or being sat on.

Back in the early 90s, there was a Mac-clone portable called IIRC, the Outback, that had a mousing mechanism exactly like this. It predated the release of the first Mac laptops by a couple of years and way before anyone saw a trackpad. It was great and at the time I really wanted Apple or some other manufacture to adopt them but they never did
Cool, I had a quick search for a picture of an outback but no luck yet.

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