Prusa Temp Tower GCODE Generator

prusa_temp_tower.py

def create_temp_tower_gcode(last_layer: int, final_speed: int = 50, first_layer: int = 1, initial_speed: int = 100):
    """
    Linearly changes speed between `first_layer` and `last_layer` from `initial_speed` to `final_speed`
    Assembles the BEFORE_LAYER_CHANGE prusa gcode script to be placed in
        PrusaSlicer > Printer Settings > Custom G-code > Before layer change G-code
    """
    out: str = f"M220 S{{if layer_num <= {first_layer}}}{initial_speed}"
    last_layer_speed: int = initial_speed
    for layer in range(first_layer+2, last_layer):
        layer_speed: int =  round(initial_speed + (final_speed - initial_speed) * ((layer - first_layer) / last_layer))
        if layer_speed != last_layer_speed:
            out += f"{{elsif layer_num <= {layer}}}{layer_speed}"
            last_layer_speed = layer_speed
    out += f"{{else}}{final_speed}{{endif}}"
    return out
  
  
if __name__ == "__main__":
    # Example
    print(create_temp_tower_gcode(last_layer=1040))
    # Outputs:
    # M220 S{if layer_num <= 1}100{elsif layer_num <= 12}99{elsif layer_num <= 33}98{elsif layer_num <= 54}97{elsif layer_num <= 74}96{elsif layer_num <= 95}95{elsif layer_num <= 116}94{elsif layer_num <= 137}93{elsif layer_num <= 157}92{elsif layer_num <= 178}91{elsif layer_num <= 199}90{elsif layer_num <= 220}89{elsif layer_num <= 241}88{elsif layer_num <= 262}87{elsif layer_num <= 282}86{elsif layer_num <= 303}85{elsif layer_num <= 324}84{elsif layer_num <= 345}83{elsif layer_num <= 365}82{elsif layer_num <= 386}81{elsif layer_num <= 407}80{elsif layer_num <= 428}79{elsif layer_num <= 449}78{elsif layer_num <= 470}77{elsif layer_num <= 490}76{elsif layer_num <= 511}75{elsif layer_num <= 532}74{elsif layer_num <= 553}73{elsif layer_num <= 573}72{elsif layer_num <= 594}71{elsif layer_num <= 615}70{elsif layer_num <= 636}69{elsif layer_num <= 657}68{elsif layer_num <= 678}67{elsif layer_num <= 698}66{elsif layer_num <= 719}65{elsif layer_num <= 740}64{elsif layer_num <= 761}63{elsif layer_num <= 781}62{elsif layer_num <= 802}61{elsif layer_num <= 823}60{elsif layer_num <= 844}59{elsif layer_num <= 865}58{elsif layer_num <= 886}57{elsif layer_num <= 906}56{elsif layer_num <= 927}55{elsif layer_num <= 948}54{elsif layer_num <= 969}53{elsif layer_num <= 989}52{elsif layer_num <= 1010}51{elsif layer_num <= 1031}50{else}50{endif}