sheet_width:Width of the rendered sheet (inches)
sheet_height:Height of the rendered sheet (inches)
boardwidth:Width of the individual boards (inches)
boardthickness:Thickness of the individual boards (inches)
pitch:Pitch (slant) of the boards (degrees)
modeling_scale:The modeling scale of the .stl file. Specifies the denominator of the scale, e.g., 1/87 for HO scale, the default. Assumes the dimensions specified in the previous parameters are prototype, e.g. 1:1.
printing_scale:Scales the model for printing. Default is 25.4, the multiplier to convert decimal inches to millimeters.
filename:Enter a name to use for your .stl file, minus the .stl extension.