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--- 3dp [2026-05-08 Fri 03:20] – theorytoe
+++ 3dp [2026-05-09 Sat 20:39] (current) – theorytoe
@@ Line 26: / Line 26: @@
 M500                       ; write to EEPROM
 </code>
+===== Marlin UBL =====
+Kinda nice compared to Bilinear, but its poorly explained...
+Firstly, manually level. Next:
+<code>
+G28        ; home
+G29 P1     ; auto probe
+G29 P3     ; interp. pts
+G29 F10.0  ; set fade height to 10mm
+G29 S0     ; save mesh in slot 0
+M500       ; save to EEPROM
+</code>
+Then for start gcode excerpt
+<code>
+G28          ; home all axes
+G29 L0       ; load mesh slot 0 (enables UBL so G29 A is redundant)
+G29 J2       ; 4-pt co-planar mesh align level
+</code>

kyaruc memex