[gcode_macro START_PRINT] gcode: {% set BED_TEMP = params.BED_TEMP|default(60)|float %} {% set EXTRUDER_TEMP = params.EXTRUDER_TEMP|default(190)|float %} # Start bed heating M140 S{BED_TEMP} # Use absolute coordinates G90 # Reset the G-Code Z offset (adjust Z offset if needed) SET_GCODE_OFFSET Z=0.0 # Home the printer G28 # Move the nozzle near the bed G1 Z5 F3000 # Move the nozzle very close to the bed G1 Z0.15 F300 # Wait for bed to reach temperature M190 S{BED_TEMP} # Set and wait for nozzle to reach temperature M109 S{EXTRUDER_TEMP}