Abstract: The present invention relates to a three-dimensional printing prototyping system which includes a prototyping chamber having a prototyping table capable of moving up and down by a predetermined range, a material containing chamber containing a powder material and having a material supply table capable of moving up and down by a predetermined range, and a material supplying means for supplying the powder material contained in the material containing chamber to the prototyping table as much as a sectional thickness corresponding to divided section data of a three-dimensional prototype to be prototyped.