[gcode_macro START_PRINT]
gcode:
    {% set bed_temp = params.BED_TEMP|default(50)|float %}
    {% set ext_temp = params.EXTRUDER_TEMP|default(200)|float %}
    # use absolute coordinates
    G90
    # extruder relative mode
    M83
    # set final bed temp
    M140 S{bed_temp}
    # set temporary nozzle temp to prevent oozing during homing
    M104 S150
    # allow partial nozzle warmup
    G4 S10
    # home all axis
    G28
    # load bed mesh profile
    BED_MESH_PROFILE LOAD=hot
    
    G1 Z50 F240
    G1 X2 Y10 F3000
    
    # set final nozzle temp
    M104 S{ext_temp}
    # wait for bed temp to stabilize
    M190 S{bed_temp}
    # wait for nozzle temp to stabilize
    M109 S{ext_temp}
    
    G1 Z0.28 F240
    
    # prime the nozzle
    G92 E0
    G1 Y140 E10 F1500
    G1 X2.3 F5000
    
    # prime the nozzle
    G92 E0
    G1 Y10 E10 F1200
    
    G92 E0

[gcode_macro END_PRINT]
gcode:
    {% set print_height = params.MAX_HEIGHT|default(1)|float %}
    {% set printable_height = printer.toolhead.axis_maximum.z|default(250)|float %}
    # { action_respond_info( printable_height|string ) }
    G91
    G1 E-3
    G90
    {% if print_height < printable_height %}
      {% set height = [print_height+2, printable_height]|min %}
      G1 Z{height} F600
    {% endif %}
    G1 X0 Y220 
    M140 S0 ; turn off heatbed
    M104 S0 ; turn off temperature
    M107 ; turn off fan
    M84 ; disable motors