Braille Pattern Dots-3578 (U+28D4) is a Unicode other symbol from the Braille Patterns block. It resides on Plane 0 (BMP, Basic Multilingual Plane), has bidirectional class L (left-to-right), is not mirrored, and has combining class 0 (Not Reordered). In HTML it can be written as ⣔ or ⣔.