Update README.md

katepavlu · Jan 4, 2020 · 473107f · 473107f
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@@ -11,3 +11,5 @@ Beware, any existing files with the same name will be overwritten, so best backu
 To adjust the filament loading and unloading procedure for your particular setup, edit the "load" and "unload" files, they are normal GCODE macros.
 
 To change materials/temperatures shown under "HEAT", edit the "heat" file
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+The "LEVEL BED" button calls G32, so you should have something in your bed.g