Heaven help me - I've just bought a delta kit :-)

[curious aardvark]

light for the printer - or something else ?
There is a 'light' connector on the board.

About to try some wood filament. - Works great :-)

Also it's occured to me that unless you include a touch in the centre of the build plate as well as the three outside touches - how can you calculate any kind of topography map ?
Just won't work.