cube_thingie.py 文件源码

def cube_with_base(unit_cube):
    """ Take a unit cube and turn it into a statue thingie, standing on one corner """
    m = cube_side / 2

    prepared_cube = unit_cube.scaled(cube_side) \
        .rotated_x(45) \
        .rotated_y(math.degrees(math.acos(math.sqrt(2/3)))) \
        .translated(0, 0, cube_side * math.sqrt(3) / 2 + base_height)

    bottom = rectangle(base_diameter, base_height).translated(0, base_height / 2)
    chamfer = rectangle(2 * base_chamfer, 2 * base_chamfer).rotated(-45).translated(base_diameter / 2, base_height)
    bottom = bottom - chamfer

    knob = rectangle(base_knob_diameter, base_height + base_knob_height) \
        .translated_y((base_height + base_knob_height) / 2)
    knob_chamfer = rectangle(2 * base_chamfer, 2 * base_chamfer) \
        .rotated(-45) \
        .translated(base_knob_diameter / 2, base_height + base_knob_height)
    knob = knob - knob_chamfer

    base = (bottom + knob).revolved().rotated_x(90)

    return prepared_cube + base