A three-dimensional scanning apparatus according to the present invention includes: a container in which opaque liquid is accommodated; A level measuring unit for measuring the level of the opaque liquid; A level adjuster for adjusting the level of the opaque fluid through flow control; An image capturing unit for capturing an object exposed through the plurality of steps while changing the level of the opaque fluid; A control unit for receiving the level signal from the level measuring unit and transmitting a control signal to the level adjusting unit; And a three-dimensional image processing apparatus for generating a three-dimensional shape of the object based on the two-dimensional image images photographed through the plurality of steps.
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