A ply station 12, a band station 13, a shaping station 14, and a belt-tread station 15 are disposed along one side of a conveyor line 11 which extends linearly. First and second gear element pairs are arranged between an input member and an output member via first and second clutches, and a non-circular gear pair is arranged via a non-circular gear element pair-use clutch. Next, gather these gray level values statistically such that each of them has an image pixel quantity. The rear portion of the shoe also has a fastening mechanism whereby the rear area which surrounds the ankles can also be adjusted as the baby grows for a customized fit. Also disclosed is a positive photosensitive resin composition containing an alkali-soluble resin, a diazoquinone compound, a compound having two or more oxetanyl groups in one molecule and a catalyst for accelerating the ring-opening reaction of the oxetanyl groups of the compound.