-i --inputfile [file]:
    The file from where the labels will be read.
    The default is "tags.txt"

-o --outputdir [directory]:
    the directory where the stl files will be written to.
    The default is "outdir"

-l --line ["line1","line2"]:
    Directly pass the two lines that will be put on a label. This will disable -i.

-bh --base_height [height in mm]:
    Height of the base plate.
    The Default is 1.5.

-lh --letter_height [height in mm]
    Height of the letters.
    The Default is 0.3.

-f --font_size [size]:
    The font size of the tag. Currently the following values are valid:
    2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 16
    The default is 5.

-hx --hole_size_x [size in mm]:
    Horizontal size of the tag's hole.
    The default is 3;

-hy --hole_size_y [size in mm]:
    Vertical size of the tag's hole.
    The default is 5;

-q --quiet [true|false]:
    Do not show OpenScad output.
    The default is true.

-t --thread_count [number]:
    The number of simultaneous instances of OpenScad that this script is allowed to start.
    The default is max(1, [cpu thread count]-1) 
    This means that you will have one thread less than the maximum of your CPU working simultaneously
    or one if your CPU is single threaded.

-h --help:
    Show this help.