A 3D modeling apparatus comprising: a support body which is configured to support a modeled object formed by laminating a resin material that is cured by energy of an energy ray; an illumination mechanism which is configured to illuminate the resin material with the energy ray, on the basis of image data of laminated cross-sections which constitutes 3D data of an object to be modeled which is an object of modeling, so as to selectively expose an area of the resin material, in order to form the modeled object; and a supply mechanism which is configured to supply a material that constitutes a part of the modeled object and is different from the resin material, to the resin material that is cured as being illuminated by the illumination mechanism, on the basis of the cross-section image data, wherein the supply mechanism has an ink jet head that is configured to discharge ink as the material different from the resin material in order to color the modeled object, wherein the 3D modeling apparatus is characterized in that it further comprises: a restriction body which has a surface including an area having a straight line form along a first direction and is disposed to face the support body so that the area having the straight line form in the surface becomes closest to the support body; a supply nozzle which is configured to supply the resin material to a slit area which is an area between the support body side and the area having the straight line form; and a movement mechanism (14, 16) which is configured to move the support body relative to the restriction body along a second direction different from the first direction in order to form a single cured layer of the resin material, and is configured to move the restriction body and the support body relative to each other along the laminating direction in order to laminate the layers of the material cured by the energy ray, wherein the illumination mechanism is configured to illuminate the resin material supplied to the slit area by the supply nozzle, with the energy ray via the restriction body. a support body which is configured to support a modeled object formed by laminating a resin material that is cured by energy of an energy ray; an illumination mechanism which is configured to illuminate the resin material with the energy ray, on the basis of image data of laminated cross-sections which constitutes 3D data of an object to be modeled which is an object of modeling, so as to selectively expose an area of the resin material, in order to form the modeled object; and a supply mechanism which is configured to supply a material that constitutes a part of the modeled object and is different from the resin material, to the resin material that is cured as being illuminated by the illumination mechanism, on the basis of the cross-section image data, wherein the supply mechanism has an ink jet head that is configured to discharge ink as the material different from the resin material in order to color the modeled object, wherein the 3D modeling apparatus is characterized in that it further comprises: a restriction body which has a surface including an area having a straight line form along a first direction and is disposed to face the support body so that the area having the straight line form in the surface becomes closest to the support body; a supply nozzle which is configured to supply the resin material to a slit area which is an area between the support body side and the area having the straight line form; and a movement mechanism (14, 16) which is configured to move the support body relative to the restriction body along a second direction different from the first direction in order to form a single cured layer of the resin material, and is configured to move the restriction body and the support body relative to each other along the laminating direction in order to laminate the layers of the material cured by the energy ray, wherein the illumination mechanism is configured to illuminate the resin material supplied to the slit area by the supply nozzle, with the energy ray via the restriction body. a restriction body which has a surface including an area having a straight line form along a first direction and is disposed to face the support body so that the area having the straight line form in the surface becomes closest to the support body; a supply nozzle which is configured to supply the resin material to a slit area which is an area between the support body side and the area having the straight line form; and a movement mechanism (14, 16) which is configured to move the support body relative to the restriction body along a second direction different from the first direction in order to form a single cured layer of the resin material, and is configured to move the restriction body and the support body relative to each other along the laminating direction in order to laminate the layers of the material cured by the energy ray, wherein the illumination mechanism is configured to illuminate the resin material supplied to the slit area by the supply nozzle, with the energy ray via the restriction body.