Special-shaped cutter mold and preparation method thereof

The invention discloses a special-shaped cutter mold and a preparation method thereof. The special-shaped cutter mold comprises a cutter mold base body, mold cavities and blades; the mold cavities arearranged on the cutter mold base body; two adjacent mold cavities of the same row or column are marked as a first mold cavity and a second mold cavities correspondingly, wherein the first mold cavitycomprises a first linear mold cavity and a first non-linear mold cavity, the second mold cavity comprises a second linear mold cavity and a second non-linear mold cavity, the first linear mold cavityand the second linear mold cavity are overlapped, and the first non-linear mold cavity is connected to the second non-linear mold cavity left and right; the two opposite mold cavities of different rows or columns are marked as a first mold cavity and a third mold cavity correspondingly, wherein the third mold cavity comprises a third linear mold cavity and a third non-linear mold cavity, and a gap is formed between the fir