1, geometric patterns: triangle, grid pattern, checkered pattern, sawtooth pattern, circular pattern, diamond pattern, sawtooth pattern, Yun Leiwen, palindrome, etc.
2. Grate: it is a grate engraved with a grate.
3. Bead pattern: made of two circles of beads in series.
4. Lotus petal pattern: Lotus petals are used as decorative patterns.