Prusa standoff bed level
thingiverse
An alternate way to level the bed on a Prusa Mk3/s. This method uses M3 threaded brass pillars which are height adjusted using convenient thumb wheels. Please see video for instructions. https://www.youtube.com/watch?v=ek69P3a6cWI&feature=youtu.be Update 27/11/2020 Adding the spacers will increase the bed height so the prusa Z height cal may not work. However it is a simple matter to level the X axis without using Z cal: Ensure nozzle is clean Lower X axis close to sheet Disable steppers Sheet of paper between nozzle and bed Move extruder to left side Manually lower until paper just catches Repeat for right side but move extruded slowly in case bed is tilted. If extruder catches during traverse, start procedure on right side. Enable steppers First layer cal. This routine is more accurate than using Z cal as it takes into account any slope on the bed and ensures the pinda is accurate on both sides. Z cal levels the X axis with respect to the upper frame - not the bed.
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