The modeling of developable surfaces is considered a very important application in plat-metal-based industries. Relating to the purpose, this discussion aims to obtain some formulas for constructing the regular developable Bzier patches, in which each boundary curve must be laid in two parallel planes. The results as follows: We find some formulas of the equation systems that are described by the constant, linear, and quadratic control parameters of the regular developable Bzier patches criteria. The new approach is numerically tested for constructing the regular developable Bzier patches, in which their boundary curves are defined, respectively, by the combination of four, five, and six degrees.
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