Sheetmetal warp

[TomWS]

@brownfox

With thin material and really detailed work you’re going to have issues with deflection when the IHS touches down.

That’s why I replaced my floating Z setup with:

Poor Man's 'Ohmic Sensor'

I should probably add a subtitle, “How to live dangerously and have fun doing it!” so, instead of that, I will add this great big: WARNING! This topic discusses my modifications to my plasma cutter that involved potentially lethal voltages and currents. It also probably voids whatever meager warranty I had on my plasma cutter. This is NOT a how-to topic or a recommendation of any sort. It is documenting what I have done, fully understanding and accepting the risks. What you do on your own …

I barely touch the surface to measure.