Automatic Foldable HairBrush

This is an upgraded design of my previous model Many people loved my previous in-place printing foldable hairbrush, but it had several issues.1. Difficult printing - I've seen many people struggle with printing due to its complex design, which required printing numerous parts simultaneously.2. Insufficient bristles in the brush. Designed for in-place printing, the brush had significantly fewer bristles than a typical brush. This model, while inconvenient because it required printing several parts separately and assembling them, completely improves upon the shortcomings of the previous model.1. Easy printing. Each part requires minimal support and prints easily.2. Dense bristles. It provides a dense bristles comparable to a typical hairbrush. Furthermore, the bristles fold in the opposite direction from the previous model. This change allows the bristles to begin at the top, similar to a typical hairbrush. Despite this change, the brush still automatically opens and closes thanks to