(tooth_height: float, tooth_depth: float)
return res
An isosceles triangle, tooth_height vertically, tooth_depth wide:
An isosceles triangle, tooth_height vertically, tooth_depth wide:
An isosceles triangle tooth_height vertically tooth_depth wide :
def default_thread_section(tooth_height: float, tooth_depth: float):
    """
    An isosceles triangle, tooth_height vertically, tooth_depth wide:
    """
    res = [[0, -tooth_height / 2],
           [tooth_depth, 0],
           [0, tooth_height / 2]
           ]
    return res
def default_thread_section ( tooth_height : float , tooth_depth : float ) : res = [ [ 0 , - tooth_height / 2 ] , [ tooth_depth , 0 ] , [ 0 , tooth_height / 2 ] ] return res