We’ve done away with unreliable touch sensors! Our Bed Leveling Microswitch is highly accurate, highly repeatable and (unlike touch sensors), highly reliable. It works on a variety of bed surfaces, hot or cold, with the same reliability and repeatability.
This means, run the Automatic bed mapping routine once and forget about it. It also means “babystepping” isn’t required as print-on-print the nozzle will always return to the same Z position.